Like the last three Super Smash Bros. games, Super Smash Bros. Ultimate includes Assist Trophies. These work similar to Poké Balls in that they are items that summon characters, but in this case, characters that don't quite make it as fighters but have some great aspects. In Super Smash Bros. Ultimate, you can now fully damage and K.O. all of the Assist Trophies that interact physically with the players meaning they cannot just run the entire battlefield. There are 59 Assist Trophies in this game, and many of them can't appear in certain stages

Akira

Name: Akira

Series: Virtua Fighter
Based on Appearance in: Virtua Fighter (1993)

Unlocked by: Beginning.

Details
When summoned, Akira will move forwards towards its nearest opponent and start unleashing various attacks, which can be blocked and countered.

Alucard

Name: Alucard

Series: Castlevania
Based on Appearance in: Castlevania III: Dracula's Curse (1989)

Unlocked by: Beginning.

Details
As soon as Alucard is ummoned, he'll turn into a giant bat and charge an opponent causing significant damage. If nearby, he will swipe at the opponents as well.

Can't be called in the following stages:
Wii Fit Studio

Andross

Name: Andross

Series: Star Fox
Based on Appearance in: Star Fox (1993)

Unlocked by: Beginning.

Details
Andross makes a return and retains his classic 16-bit look from the original Starfox game in his Assist Trophy. Andross takes place behind the stage and breathes in. After a short time, he will start shooting out metal tiles forwards directly in front of him. These tiles will do decent damage to anybody they hit

Can't be called in the following stages:
3D Land, 75 m, Boxing Ring, Castle Siege, Corneria, Delfino Plaza, Dream Land GB, Duck Hunt, Flat Zone X, Frigate Orpheon, Gamer, Garden of Hope, Golden Plains, Halberd, Hyrule Castle, Luigi's Mansion, Mario Circuit, Mementos, Midgar, Mushroom Kingdom U, Mushroomy Kingdom, Mute City SNES, Pac-Land, Paper Mario, Peach's Castle, Pokemon Stadium 2, Prism Tower, Shadow Moses Island, Skyloft, Spirit Train, Super Mario Maker, Temple, The Great Cave Offensive, Tomodachi Life, Tortimer Island, Umbra Clock Tower, Unova Pokemon League, Wario Ware Inc., Wii Fit Studio, Wrecking Crew, Wuhu Island

Arcade Bunny

Name: Arcade Bunny

Series: Nintendo Badge Arcade
Based on Appearance in: Nintendo Badge Arcade (2014)

Unlocked by: Beginning.

Details
When the Arcade Bunny is summoned, it'll spawn a giant crane. This will move around the stage and move down to pick up an opponent. If successful, it pulls the opponent all the way off the top of the screen. It has two attempts to pick up a player

Can't be called in the following stages:
3D Land, Big Blue, Boxing Ring, Brinstar Depths, Garden of Hope, Great Plateau Tower, Luigi's Mansion, Mario Bros., Mementos, Moray Towers, Mushroomy Kingdom, New Pork City, Pac-Land, Palutena's Temple, Pokemon Stadium, Rainbow Cruise, Spiral Mountain, Temple, The Great Cave Offensive, Tomodachi Life, Wrecking Crew

Ashley

Name: Ashley

Series: Wario
Based on Appearance in: WarioWare Touched! (2004)

Unlocked by: Beginning.

Details
When Ashley is released, she will create a cartoon poison cloud that will gradually damage any character who hits it as well as slow them down.

Can't be called in the following stages:
3D Land, Arena Ferox, Brinstar, Corneria, Dream Land, Garden of Hope, Jungle Japes, Magicant, Mario Circuit, Paper Mario, PictoChat 2, Reset Bomb Forest, Skyloft, Spiral Mountain, Spirit Train, Super Mario Maker, The Great Cave Offensive, Tortimer Island, Wrecking Crew

Black Knight

Name: Black Knight

Series: Fire Emblem
Based on Appearance in: Fire Emblem: Path of Radiance (2005)

Unlocked by: Beginning.

Details
When summoned, the Black Knight will slowly move across the stage hunting for an opponent. If he finds one, he will ready his sword and do a masssive strike on them

Can't be called in the following stages:
Pac-Land, Suzaku Castle

Bomberman

Name: Bomberman

Series: Bomberman
Based on Appearance in: Bomberman (1989)

Unlocked by: Beginning.

Details
Bomberman makes his entrance into Super Smash Bros. With this, he will go out and drop some bombs around any opponents and wait for them to go off. These bombs explode horizontally and vertically doing various damage before knock back. If no enemy is nearby, Bomberman will lay a Timed Bomb and set it off when an enemy is close. He drops three rounds of bombs. If a Bomb is hit by an opponent, it can move and then acts like it's the opponent's bomb

Burrowing Snagret

Name: Burrowing Snagret

Series: Pikmin
Based on Appearance in: Pikmin (2001)

Unlocked by: Beginning.

Details
When summoned, the Burrowing Snagret goes underground and slams under an enemy, throwing them upwards and then pecking them incessantly. It does this three times.

Can't be called in the following stages:
Brinstar Depths, Mute City SNES, Pilotwings, Pokemon Stadium, Spirit Train, Venom

Chain Chomp

Name: Chain Chomp

Series: Super Mario Bros.
Based on Appearance in: Super Mario Bros. 3 (1988)

Unlocked by: Beginning.

Details
The Chain Chomp is a classic Super Mario Bros. character and will sit around and cause damage to anything it hits. However, on occasion, it will stretch out towards an enemy, causing further damage. It can now be attacked and removed from the stage

Can't be called in the following stages:
3D Land, Balloon Fight, Brinstar Depths, Luigi's Mansion, Mute City SNES, Rainbow Cruise, Spirit Train, Tomodachi Life

Chef Kawasaki

Name: Chef Kawasaki

Series: Kirby
Based on Appearance in: Kirby Super Star (1996)

Unlocked by: Beginning.

Details
When summoned, Chef Kawasaki will often throw plates at distant opponents. If he gets within reach of them, he will grab them with a ladel and put them into a soup, cooking them doing major damage before sending them flying. This also sends out some food for recovery

Can't be called in the following stages:
Mute City SNES, Spirit Train

Color TV-Game 15

Name: Color TV-Game 15

Series: Color TV Game
Based on Appearance in: Color TV Game 15 (1978)

Unlocked by: Beginning.

Details
The Color TV Game 15 assist is a simple assist. The assist sends a simple ball out between two paddles matching the game of Pong. If you hit these, you will be damaged.

Can't be called in the following stages:
3D Land, Boxing Ring, Brinstar, Castle Siege, Coliseum, Corneria, Dream Land GB, Figure-8 Circuit, Flat Zone X, Frigate Orpheon, Golden Plains, Green Greens, Green Hill Zone, Jungle Japes, Kongo Falls, Lylat Cruise, Mementos, Midgar, Moray Towers, Mushroom Kingdom II, Mushroomy Kingdom, Mute City SNES, New Pork City, Norfair, Onett, Pac-Land, Pilotwings, Port Town Aero Dive, Princess Peach's Castle, Prism Tower, Spirit Train, Tortimer Island, Town and City, Wario Ware Inc.

Devil

Name: Devil

Series: Devil's World
Based on Appearance in: Devil's World (1984)

Unlocked by: Beginning.

Details
From a game that wasnt released within the United States, the Devil from Devil's World appears. However, he is not a damaging Assist Trophy. Instead, what he does is point in a direction and the screen scrolls in that direction, thus making the visible stage disappear and thus it harder to stay alive for the time that Devil is in play

Can't be called in the following stages:
3D Land, 75 m, Balloon Fight, Big Blue, Boxing Ring, Bridge of Eldin, Brinstar, Brinstar Depths, Castle Siege, Coliseum, Delfino Plaza, Distant Planet, Dream Land, Dream Land GB, Figure-8 Circuit, Flat Zone X, Gamer, Gaur Plains, Gerudo Valley, Golden Plains, Halberd, Hanenbow, Hyrule Castle, Jungle Japes, Living Room, Luigi's Mansion, Mario Bros., Mario Circuit, Mario Galaxy, Mementos, Midgar, Moray Towers, Mushroomy Kingdom, Mute City SNES, New Donk City Hall, Norfair, Onett, Pac-Land, Palutena's Temple, Paper Mario, Peach's Castle, Pirate Ship, Port Town Aero Dive, Prism Tower, Rainbow Cruise, Reset Bomb Forest, Shadow Moses Island, Skyloft, Spear Pillar, Spirit Train, Summit, Super Mario Maker, Suzaku Castle, Temple, The Great Cave Offensive, Tomodachi Life, Tortimer Island, Unova Pokemon League, Wario Ware Inc., Wii Fit Studio, Wrecking Crew, Wuhu Island, Yoshi's Island Melee

Dillon

Name: Dillon

Series: Dillon's Rolling Western
Based on Appearance in: Dillon's Dead-Heat Breakers (2017)

Unlocked by: Beginning.

Details
Dillon is the star of one of Nintendo's latest series, Dillon's Rolling Western. When summonded, he charges up a roll and heads towards the enemy, attacking them. after doing this twice, he charges an even more powerful one that has significant knockback.

Can't be called in the following stages:
Suzaku Castle

Dr. Kawashima

Name: Dr. Kawashima

Series: Brain Training
Based on Appearance in: Dr. Kawashima's Brain Training: How Old Is Your Brain?/Brain Age: Train Your Brain in Minutes a Day! (2005)

Unlocked by: Beginning.

Details
Dr. Kawashima, previously a tutor in the mind games of Brain Traning, makes an appearance. When summoned, he throws numbers at the players. If the numbers collide and equal 10, then they will explode. The numbers can be knocked around

Can't be called in the following stages:
Boxing Ring, Coliseum, Frigate Orpheon, Green Greens, Kongo Falls, Midgar, Moray Towers, New Pork City, Princess Peach's Castle, Prism Tower, Tortimer Island, Town and City, Wario Ware Inc.

Dr. Wright

Name: Dr. Wright

Series: SimCity
Based on Appearance in: SimCity (1992)

Unlocked by: Beginning.

Details
From what is originally not a Nintendo game, Dr. Wright is the advisor to the mayor of the Sim Cities. After that appearance, he has made appearances in a variety of games including Zelda. Like in Brawl, his Assist Trophy persona utilises the Sim City nature of his character. One summoned, he sends out a massive SkyScraper. This SkyScraper damages and pushes up anyone that it was under when it appeared

Can't be called in the following stages:
Arena Ferox, Brinstar, Corneria, Dream Land GB, Duck Hunt, Luigi's Mansion, Magicant, Pac-Land, Paper Mario, Peach's Castle, Spiral Mountain, Spirit Train, Super Mario Maker, Tomodachi Life, Wrecking Crew

Flies and Hand

Name: Flies and Hand

Series: Mario
Based on Appearance in: Mario Paint (1992)

Unlocked by: Beginning.

Details
When summoned, a load of flies will appear around the opponents. A hand with a fly swatter will appear and start hitting the flies away, doing damage to any opponents

Can't be called in the following stages:
Mushroomy Kingdom, Norfair

Ghirahim

Name: Ghirahim

Series: The Legend of Zelda
Based on Appearance in: The Legend of Zelda: Skyward Sword (2011)

Unlocked by: Beginning.

Details
Girahim was one of the main opponents in the Zelda game, Skyward Sword, and he appears and starts attacking enemies. While he can be knocked off the stage, he will just teleport back on

Can't be called in the following stages:
Peach's Castle

Ghosts

Name: Ghosts

Series: Pac-Man
Based on Appearance in: Pac-Man (1981)

Unlocked by: Beginning.

Details
The Pac-man Ghosts, Blinky, Inky, Pinky & Clyde make appearances as an Assist Trophy. When activated, they start to move around the stage, damaging anybody that comes into contact with them.

Can't be called in the following stages:
Boxing Ring, Brinstar, Coliseum, Dream Land GB, Flat Zone X, Frigate Orpheon, Green Greens, Lylat Cruise, Midgar, Moray Towers, Mute City SNES, New Pork City, Norfair, Pac-Land, Pilotwings, Pirate Ship, Port Town Aero Dive, Princess Peach's Castle, Prism Tower, Spirit Train, Town and City, Wario Ware Inc.

Gray Fox

Name: Gray Fox

Series: Metal Gear
Based on Appearance in: Metal Gear Solid (1998)

Unlocked by: Beginning.

Details
In his Cyber Ninja Form, The Gray Fox will arrive in the battle, ready to show off his ninja skills. He slyly and quickly goes up to an enemy and starts slashing at them with the sword, following them where they go, even by jumping. The sword slashing can also reflect any projectiles shot at him

Guile

Name: Guile

Series: Street Fighter
Based on Appearance in: Street Fighter II (1991)

Unlocked by: Beginning.

Details
When summoned, Guile will call multiple Sonic Boom attacks to attack the enemy, then flash kicking them.

Hammer Bros.

Name: Hammer Bros.

Series: Mario
Based on Appearance in: Super Mario Bros. (1985)

Unlocked by: Beginning.

Details
The Hammer Bros. will start jumping up and throwing hammers at the enemy, doing damage if they hit.

Can't be called in the following stages:
Mute City SNES

Isaac

Name: Isaac

Series: Golden Sun
Based on Appearance in: Golden Sun (2001)

Unlocked by: Beginning.

Details
Isaac returns to Smash Bros. With a different effect. This time, rather than just summoning a hand to push foes, he summons two hands to grab the opponent, taking them up. He also returns with summoning hands that can help push opponents off the edge and summoning a fist that slams down

Can't be called in the following stages:
Spear Pillar, Spirit Train

Jeff

Name: Jeff

Series: Earthbound
Based on Appearance in: Earthbound (1995)

Unlocked by: Beginning.

Details
Jeff makes his second appearance in the Super Smash Bros. franchise with this game. Like in Super Smash Bros. Brawl, when summoned, he sets up 5 rockets and then ducks for cover. These 4 rockets and 1 mega rocket shoot up into the sky and then come down, homing into any enemies where they can. As they are explosives, they cause decent damage.

Can't be called in the following stages:
Arena Ferox, Brinstar, Corneria, Duck Hunt, Magicant, Pac-Land, Spiral Mountain, Spirit Train, Wrecking Crew

Kapp'n

Name: Kapp'n

Series: Animal Crossing
Based on Appearance in: Animal Forest (2001)

Unlocked by: Beginning.

Details
When summoned, Kapp'n enters his bus and drives towards an opponent. When interacting with the opponent, Kapp'n stores them in the back of the bus before driving off the side of the stage

Can't be called in the following stages:
75 m, Balloon Fight, Big Blue, Boxing Ring, Brinstar, Brinstar Depths, Delfino Plaza, Distant Planet, Fourside, Garden of Hope, Golden Plains, Great Bay, Green Greens, Hanenbow, Kalos Pokemon League, Living Room, Luigi's Mansion, Mario Bros., Mushroomy Kingdom, Mute City SNES, New Pork City, Norfair, Onett, Pac-Land, Palutena's Temple, Paper Mario, Pirate Ship, Pokemon Stadium, Pokemon Stadium 2, Princess Peach's Castle, Rainbow Cruise, Reset Bomb Forest, Saffron City, Shadow Moses Island, Spirit Train, Summit, Suzaku Castle, The Great Cave Offensive, Tomodachi Life, Tortimer Island, Town and City, Venom

Klaptrap

Name: Klaptrap

Series: Donkey Kong
Based on Appearance in: Donkey Kong Country (1994)

Unlocked by: Beginning.

Details
When summoned, the Klaptrap will start roaming the stage. If it finds any enemies, it will leap towards them with its mouth open and latch one, continually biting to do some damage. It can be attacked to stop connecting.

Can't be called in the following stages:
Jungle Japes, Kongo Falls, Suzaku Castle

Knuckle Joe

Name: Knuckle Joe

Series: Kirby
Based on Appearance in: Kirby Super Star (1996)

Unlocked by: Beginning.

Details
Knuckle Joe, when summoned, begins doing multiple jabs at the nearest opponent (called Vulcan Jabs). Afterwards, he follows where they go, jumping if necessary, and does one of two powerful finishers. One where he sends the opponent flying to the side with a powerful explosion (Smash Punch) and one electrically powered uppercut (Rising Break)

Can't be called in the following stages:
Midgar, Mute City SNES, Norfair, Suzaku Castle

Knuckles

Name: Knuckles

Series: Sonic the Hedgehog
Based on Appearance in: Sonic the Hedgehog 3 (1993)

Unlocked by: Beginning.

Details
When Knuckles is summoned, he will dig downward and then move underneath the opponent doing an uppercut to do damage. Other times he will start attacking the opponent on the ground, or use Homing Attacks to jump into them

Can't be called in the following stages:
Brinstar Depths, Corneria, Green Hill Zone, Pilotwings, Spirit Train, Venom

Krystal

Name: Krystal

Series: Star Fox
Based on Appearance in: Star Fox Adventures (2002)

Unlocked by: Beginning.

Details
When Krystal is called from the Assist Trophy, she will charge at a nearby enemy, using her staff to either swipe at the enemy or to use it to create some projectiles to damage them from a distance.

Lyn

Name: Lyn

Series: Fire Emblem
Based on Appearance in: Fire Emblem (2001)

Unlocked by: Beginning.

Details
Lyn, like the other Fire Emblem characters, has a sword. This sword is a long and thin sword and as such, Lyn's movements are ninja-like in nature. Once summoned, she charges some power and quickly vanishes. She then re-appears right by an opponent and connects with a powerful attack that does decent damage and considerable knockback

Metroid

Name: Metroid

Series: Metroid
Based on Appearance in: Metroid (1986)

Unlocked by: Beginning.

Details
Like in the Metroid game, the Metroid will hunt out nearby enemies and latch itself onto them. If it succeeds, it starts doing significant damage to the enemy. It can be shaken off, but it'll just try to latch on again.

Can't be called in the following stages:
3D Land, Boxing Ring, Bridge of Eldin, Coliseum, Living Room, Mario Galaxy, Mute City SNES, New Pork City, Onett, Tomodachi Life, Tortimer Island

Midna

Name: Midna

Series: The Legend of Zelda
Based on Appearance in: The Legend of Zelda: Twilight Princess (2006)

Unlocked by: Beginning.

Details
Midna is from The Legend of Zelda: Twilight Princess. In that game, she was the princess of the Twilight Realm but had her appearance changed by Zant into an imp form. This assist has her in this form, using her ponytail as a hand to strike any nearby enemy. If it connects, she will grab the enemy and throw them.

Can't be called in the following stages:
Golden Plains, Green Hill Zone, Midgar, Skyloft, Spirit Train

Moon

Name: Moon

Series: The Legend of Zelda
Based on Appearance in: The Legend of Zelda: Majora's Mask (2000)

Unlocked by: Beginning.

Details
When the Moon is summoned, it'll quickly come down doing significant fiery damage to anything it comes in contact with before disappearing

Can't be called in the following stages:
75 m, Arena Ferox, Balloon Fight, Big Blue, Boxing Ring, Brinstar, Brinstar Depths, Castle Siege, Delfino Plaza, Distant Planet, Dracula's Castle, Dream Land, Dream Land GB, Duck Hunt, Flat Zone X, Fountain of Dreams, Frigate Orpheon, Gamer, Gaur Plains, Golden Plains, Great Bay, Halberd, Hanenbow, Living Room, Luigi's Mansion, Mario Bros., Mementos, Midgar, Mushroom Kingdom II, New Donk City Hall, Norfair, Pac-Land, Palutena's Temple, Paper Mario, PictoChat 2, Port Town Aero Dive, Prism Tower, Rainbow Cruise, Reset Bomb Forest, Shadow Moses Island, Spear Pillar, Spirit Train, Super Happy Tree, Temple, The Great Cave Offensive, Unova Pokemon League, Wario Ware Inc., Wii Fit Studio, Yoshi's Story

Mother Brain

Name: Mother Brain

Series: Metroid
Based on Appearance in: Metroid (1986)

Unlocked by: Beginning.

Details
Mother Brain is one of the main bosses of the Metroid series and is a cybernetic brain in a jar. Once sent out of the Assist Trophy, it stays still and fires a laser out of its eye which will damage any opponent that is within its sight.

Can't be called in the following stages:
Luigi's Mansion, Pac-Land, Rainbow Cruise, Spirit Train, The Great Cave Offensive, Tomodachi Life, Tortimer Island, Umbra Clock Tower

Nightmare

Name: Nightmare

Series: Kirby
Based on Appearance in: Kirby's Dream Land (1991)

Unlocked by: Beginning.

Details
Nightmare, when summoned, will create a ball that turns the entire stage into black, causing all players to be unable to see what they are doing or where they are going.

Can't be called in the following stages:
3D Land, Corneria, Dream Land GB, Duck Hunt, Find Mii, Flat Zone X, Gamer, Gaur Plains, Gerudo Valley, Golden Plains, Halberd, Jungle Japes, Luigi's Mansion, Magicant, Mario Circuit, Midgar, Mushroom Kingdom U, Mushroomy Kingdom, Mute City SNES, Pac-Land, Paper Mario, PictoChat 2, Pirate Ship, Prism Tower, Skyloft, Spirit Train, Super Mario Maker, The Great Cave Offensive, Tomodachi Life, Umbra Clock Tower, Unova Pokemon League, Wario Ware Inc., Wii Fit Studio, Wily Castle, Wrecking Crew, Wuhu Island

Nikki

Name: Nikki

Series: Swapnote
Based on Appearance in: Swapnote/Nintendo Letter Box (2011)

Unlocked by: Beginning.

Details
When Nikki is summoned, she'll jump to the front of the screen and start drawing. The things she draws then take life in the stage. These range from a giant firebreathing dinosaur, to a bullet bill that shoots off in the direction it's facing and three birds that target an opponent down and do damage. There's also a ghost she draws which surrounds an enemy doing moderate damage.

Can't be called in the following stages:
75 m, Balloon Fight, Boxing Ring, Brinstar, Brinstar Depths, Dracula's Castle, Final Destination, Find Mii, Fountain of Dreams, Fourside, Frigate Orpheon, Gamer, Gaur Plains, Jungle Japes, Kalos Pokemon League, Kongo Jungle, Luigi's Mansion, Lylat Cruise, Mario Bros., Mementos, Midgar, New Pork City, Norfair, Pac-Land, Palutena's Temple, PictoChat 2, Pokemon Stadium 2, Rainbow Cruise, Reset Bomb Forest, Shadow Moses Island, Spear Pillar, Super Mario Maker, Suzaku Castle, The Great Cave Offensive, Umbra Clock Tower, Unova Pokemon League, Venom, Wario Ware Inc., Wii Fit Studio, Wily Castle, Wrecking Crew

Nintendog

Name: Nintendog

Series: Nintendogs
Based on Appearance in: Nintendogs (2003)

Unlocked by: Beginning.

Details
The Nintendog makes a return. When it's released, it will come up to the camera and block the view of the battle for around 20 seconds.

Can't be called in the following stages:
Flat Zone X, Magicant, Midgar, Spirit Train, Super Mario Maker, Wario Ware Inc.

Phosphora

Name: Phosphora

Series: Kid Icarus
Based on Appearance in: Kid Icarus Uprising (2012)

Unlocked by: Beginning.

Details
When summoned, Phosphora will soar through the sky, shooting lightning bolts and balls of energy. She can be attacked

Can't be called in the following stages:
Great Bay

Prince Sablé

Name: Prince Sablé

Series: Prince Sablé
Based on Appearance in: The Frog For Whom the Bell Tolls (1992)

Unlocked by: Beginning.

Details
When summoned, Prince Sablé will transform into a Frog or a Snake and unleash various attacks on nearby enemies.

Can't be called in the following stages:
Mute City SNES, Suzaku Castle

Rathalos

Name: Rathalos

Series: Monster Hunter
Based on Appearance in: Monster Hunter (2004)

Unlocked by: Beginning.

Details
When summoned, Rathalos will land on the side of the stage. It will then charge across, doing damage to any opponents. It can also screech which will daze the opponents slightly. It will also send fire balls out towards opponents. It will soon fly off, but can be defeated beforehand.

Can't be called in the following stages:
3D Land, Brinstar Depths, Fourside, Kalos Pokemon League, Living Room, Luigi's Mansion, Lylat Cruise, Mario Bros., Mementos, Mushroom Kingdom U, Mushroomy Kingdom, Mute City SNES, Palutena's Temple, Princess Peach's Castle, Reset Bomb Forest, Spear Pillar, Spirit Train, Temple, The Great Cave Offensive, Tomodachi Life, Wrecking Crew, Yoshi's Island Melee

Riki

Name: Riki

Series: Xenoblade Chronicles
Based on Appearance in: Xenoblade Chronicles (2012)

Unlocked by: Beginning.

Details
When summoned, Riki casts various spells including ones that freeze opponents and do damage and knockback. It ends with all players receiving a boost to their moves

Can't be called in the following stages:
Arena Ferox, Brinstar, Corneria, Magicant, Peach's Castle, Spiral Mountain, Spirit Train, Tortimer Island, Wrecking Crew

Rodin

Name: Rodin

Series: Bayonetta
Based on Appearance in: Bayonetta (2009)

Unlocked by: Beginning.

Details
Rodin has similar powers to Bayonetta and will charge out towards an enemy, summoning a large fist towards them either horizontally or vertically, to do significant damage upon them

Samurai Goroh

Name: Samurai Goroh

Series: F-Zero
Based on Appearance in: F-Zero (1990)

Unlocked by: Beginning.

Details
Using this sword, Samurai Goroh moves forwards with a constant slashing of the sword, this does decent damage and can cause multiple hits if the opponent is directly in front of him when he starts

Can't be called in the following stages:
Midgar, Mute City SNES, Norfair, Suzaku Castle

Shadow the Hedgehog

Name: Shadow the Hedgehog

Series: Sonic the Hedgehog
Based on Appearance in: Sonic Adventure 2 (2001)

Unlocked by: Beginning.

Details
When summoned , Shadow jumps out and calls upon Chaos Control. The Chaos Control ability slows down time, making everyone except the person who summoned him slower in movement.

Can't be called in the following stages:
3D Land, Flat Zone X, Magicant, Midgar, Mute City SNES, Pac-Land, Spiral Mountain, Super Happy Tree, Wario Ware Inc.

Sheriff

Name: Sheriff

Series: Sheriff
Based on Appearance in: Sheriff (1979)

Unlocked by: Beginning.

Details
One of Nintendo's first ever video game characters, Sheriff, when summoned, a large version of his original sprite appears and moves around, shooting at the opponents, causing massive damage and significant knockback.

Can't be called in the following stages:
Mementos

Shovel Knight

Name: Shovel Knight

Series: Shovel Knight
Based on Appearance in: Shovel Knight (2014)

Unlocked by: Beginning.

Details
Shovel Knight attacks rather simply, by digging up dirt. This dirt can act as a projectile and do damage, and the digging motion can also damage any nearby foes. The areas Shovel Knight has dug are also Pitfalls while Shovel Knight is still on screen. Shovel Knight will also walk around the stage and jump on top of enemies with his shovel

Skull Kid

Name: Skull Kid

Series: The Legend of Zelda
Based on Appearance in: The Legend of Zelda: Majora's Mask (2000)

Unlocked by: Beginning.

Details
The Skullkid, with its appearance as seen in the Nintendo 64 classic The Legend of Zelda: Majora's Mask, makes its appearance armed with the Majora's Mask. When summoned, if surrounded by a purple aura, he will invert the entire stage, having it run upside-down. If surrounded by a green aura, he makes all players invisible. Finally, if it has the purple aura, it will flip the stage horizontally

Can't be called in the following stages:
3D Land, Arena Ferox, Dream Land, Hyrule Castle, Jungle Japes, Magicant, Mario Circuit, Midgar, Peach's Castle, Reset Bomb Forest, Spear Pillar, Super Mario Maker, Tortimer Island, Umbra Clock Tower, Wario Ware Inc.

Spring Man

Name: Spring Man

Series: ARMS
Based on Appearance in: ARMS (2017)

Unlocked by: Beginning.

Details
When Spring Man is summoned, he will aim at the neareest enemy and throw out a long distance punch at them before ending with a massive Rush attack that does massive damage.

Squid Sisters

Name: Squid Sisters

Series: Splatoon
Based on Appearance in: Splatoon (2014)

Unlocked by: Beginning.

Details
When summoned, Callie and Marie will start a concert that alters the camera and the blast zones of the stage, shrinking them as the performance continues.

Can't be called in the following stages:
3D Land, Arena Ferox, Big Blue, Brinstar, Brinstar Depths, Castle Siege, Delfino Plaza, Distant Planet, Dream Land, Dream Land GB, Duck Hunt, Flat Zone X, Fountain of Dreams, Gamer, Gaur Plains, Golden Plains, Great Plateau Tower, Green Hill Zone, Halberd, Hanenbow, Jungle Japes, Kalos Pokemon League, Kongo Jungle, Living Room, Luigi's Mansion, Magicant, Mario Bros., Mario Circuit, Midgar, Mushroomy Kingdom, Mute City SNES, New Donk City Hall, Norfair, Onett, Pac-Land, Paper Mario, Peach's Castle, PictoChat 2, Pirate Ship, Pokemon Stadium, Pokemon Stadium 2, Port Town Aero Dive, Rainbow Cruise, Reset Bomb Forest, Saffron City, Shadow Moses Island, Skyloft, Spirit Train, Summit, Super Mario Maker, The Great Cave Offensive, Tomodachi Life, Tortimer Island, Unova Pokemon League, Wario Ware Inc., Wrecking Crew, Wuhu Island, Yoshi's Story

Starfy

Name: Starfy

Series: Starfy
Based on Appearance in: The Legend of Starfy (2000)

Unlocked by: Beginning.

Details
Starfy, from the Japanese Densetsu no Starfy (Legendary Starfy) series, makes its return in Super Smash Bros. When summoned, Starfy will spin around the stage, but is open for attacks itself. If it reaches a large amount of damage, it will then unleash attacks onto nearby foes

Can't be called in the following stages:
Suzaku Castle

Starmen

Name: Starmen

Series: Earthbound
Based on Appearance in: Earthbound (1993)

Unlocked by: Beginning.

Details
Thee Starmen are a group of enemies, allied with Giygas and come from outer space. When they are summoned in Super Smash Bros., they will teleport around the stage, shooting lightning bolts out at the various players. These do decent damage and blast enemies off.

Can't be called in the following stages:
Peach's Castle, Spear Pillar, Spirit Train

Sukapon

Name: Sukapon

Series: Joy Mecha Fight
Based on Appearance in: Joy Mecha Fight (1993)

Unlocked by: Beginning.

Details
When summoned, Sukapon moves around the stage, jumping and attacking. It will often send copies of its head out as projectiles to damage opponents. It will also spin attack and continue spinning as it hits opponents

Takamaru

Name: Takamaru

Series: Murasame Castle
Based on Appearance in: The Mysterious Murasame Castle (1986)

Unlocked by: Beginning.

Details
Takamaru is a classic Nintendo character who makes his first appearance in Super Smash Bros. When released, he will rush to an enemy and rapidly slice at them before knocking them back. After that, he starts throwing shurikens at them to cause more damage.

Can't be called in the following stages:
Boxing Ring, Mute City SNES, Norfair

Thwomp

Name: Thwomp

Series: Super Mario Bros.
Based on Appearance in: Super Mario Bros. 3 (1988)

Unlocked by: Beginning.

Details
When summoned, the Thwomp will move up to just beyond the camera and lie in wait. Should an opponent start to move underneath it, it will slam down doing significant damage. It will do this up to 3 times

Can't be called in the following stages:
3D Land, Big Blue, Dream Land GB, Great Plateau Tower, Mario Bros., Mushroomy Kingdom, Pac-Land, Rainbow Cruise, Summit, Wrecking Crew

Tiki

Name: Tiki

Series: Fire Emblem
Based on Appearance in: Fire Emblem: Shadow Dragon and the Blade of Light (1990)

Unlocked by: Beginning.

Details
When Tiki is summoned, she turns into a dragon and starts flying above the stage, unleashing a fire breath at any opponents

Can't be called in the following stages:
3D Land, Brinstar Depths, Luigi's Mansion, Mario Bros., Mushroomy Kingdom, Palutena's Temple, Princess Peach's Castle, Reset Bomb Forest, Temple, The Great Cave Offensive, Tomodachi Life, Wrecking Crew

Vince

Name: Vince

Series: Art Academy
Based on Appearance in: Art Academy (2009)

Unlocked by: Beginning.

Details
When summoned, Vince will get an easel out and will draw some artwork over one of the opponents. Anyone caught within this artwork will receive minor damage.

Can't be called in the following stages:
Rainbow Cruise, Spiral Mountain, Wrecking Crew

Waluigi

Name: Waluigi

Series: Mario
Based on Appearance in: Mario Tennis (2000)

Unlocked by: Beginning.

Details
Wario's dastardly relation, Waluigi, makes a return as an Assist Trophy. Like before, he is armed with a tennis racket and will attack whoever he sees.

Can't be called in the following stages:
3D Land, Midgar, Mute City SNES, Norfair, Spirit Train, Suzaku Castle

Wily Capsule

Name: Wily Capsule

Series: Mega Man
Based on Appearance in: Mega Man (1987)

Unlocked by: Beginning.

Details
When summoned, Dr. Wily disappears in his capsule and reappears above the opponent and sends various energy balls out at them, doing significant damage. Some will burn and some will freeze. Then, some of the energy balls move around the stage before Dr. Wily comes down again, spinning at the opponent. He does this twice before finishing off with one more energy ball

Can't be called in the following stages:
Mementos

Yuri Kozukata

Name: Yuri Kozukata

Series: Fatal Frame
Based on Appearance in: Fatal Frame: Maiden of Black Water (2014)

Unlocked by: Beginning.

Details
When summoned, Yuri gets her camera out and begins to target down various enemies. The screen turns a grainy colour. If an enemy is captured, they receive damage and are stunned and poisoned for a period of time. She takes three photos

Can't be called in the following stages:
3D Land, Big Blue, Brinstar, Corneria, Dream Land GB, Frigate Orpheon, Golden Plains, Midgar, Mushroomy Kingdom, Mute City SNES, Onett, Pac-Land, Rainbow Cruise, Spiral Mountain, Venom, Wario Ware Inc., Wii Fit Studio

Zero

Name: Zero

Series: Mega Man
Based on Appearance in: Mega Man X (1993)

Unlocked by: Beginning.

Details
When summoned, Zero will charge forwards and slice at the enemy. It will also send out many energy waves with its sword. It can dodge attacks