Cameos for Wreck-It Ralph 2

Nintendo

 * Mario, Luigi, Peach, Toad, Yoshi, Donkey Kong, Diddy Kong, Wario and Bowser from Mario series
 * Link, Zelda and Ganon from The Legend of Zelda
 * Samus Aran and Ridley from Metroid
 * Kirby and King Dedede from Kirby series
 * Fox McCloud from StarFox
 * Pikachu, Meowth Eevee, Jigglypuff, Squirtle, Charizard, Mewtwo, Gardevoir and Lucario from Pokemon
 * Ness from Earthbound
 * Captain Falcon from F-Zero
 * Little Mac, Glass Joe, King Hippo, Bald Bull, Mr. Sandman and Super Macho Man

Sega

 * Sonic the Hedgehog, Miles “Tails” Prower, Dr. Eggman, Knuckles the Echidna, Amy Rose and Shadow the Hedgehog from Sonic series
 * Centurion and Neff from Altered Beast
 * ToeJam and Earl from ToeJam & Earl

Capcom
Fighter
 * Mega Man and Dr. Wily from Mega Man
 * Ryu, Ken, Chun-Li, Zangief, Dhalsim and M. Bison from Street
 * Arthur and Firebrand from Ghosts n’ Goblins
 * Morrigan Aensland, Felicia, Demitri Maximoff and Jon Talbain from Darkstalkers
 * Scrooge McDuck, Chip n’ Dale, Baloo and Darkwing Duck from Disney’s Capcom games

Bandai Namco
Pac-Man
 * Pac-Man, Ms. Pac-Man, Blinky, Pinky, Inky and Clyde from
 * Taizo Hori from Dig Dug
 * Mappy from Mappy
 * Galaga ships from Galaga

Konami

 * Frogger from Frogger
 * Simon Belmont from Castlevania
 * Contra fighter from Contra
 * Solid Snake from Metal Gear
 * Leonardo, Donatello, Raphael & Michelangelo from Teenage Mutant Ninja Turtles: The Arcade Game
 * Homer, Marge, Bart & Lisa Simpson from The Simpsons Arcade Game

Midway

 * Paperboy from Paperboy
 * Tapper from Tapper
 * George, Lizzie and Ralph from Rampage
 * Scorpion, Sub-Zero, Raiden and Shao Kahn from Mortal Kombat

Atari

 * Joust fighter and Ostrich from Joust

Activision

 * Pitfall Harry from Pitfall
 * Spyro the Dragon and Cynder from Spyro the Dragon
 * Trigger Happy, Stealth Elf and Kaos from Skylanders
 * Crash Bandicoot from Crash Bandicoot

Data East

 * Peter Pepper from Burger Time

Gottlieb

 * Q-Bert from Q-Bert

Ubisoft

 * Rayman and Globox from Rayman

Square-Enix

 * Cloud, White Mage, Black Mage and Moogle from Final Fantasy
 * Chrono from Chrono Trigger
 * Sora from Kingdom Hearts
 * Lara Croft from Tomb Raider

Techmo-Koei

 * Ryu Hayabusa from Ninja Gaiden

Cinematronics

 * Dirk the Daring and Daphne from Dragon’s Lair
 * Ace, Kimberly and Borf from Space Ace

Valve

 * Heavy, Soldier, Spy, Scout and Pyro from Team Fortress 2
 * GlaDOS and Wheatley from Portal
 * Gordon Freeman and The G-Man from Half Life

Interplay

 * Earthworm Jim from Earthworm Jim
 * Boogerman from Boogerman: A Pick & Flick Adventure
 * Bad Mr. Frosty and the Blob from Clayfighter

Rare

 * Jetpac from Jetpac
 * Banjo and Kazooie from Banjo-Kazooie
 * Conker from Conker’s Bad Fur Day
 * James Bond from Goldeneye 007
 * Joanna Dark from Perfect Dark

Wayforward Technologies

 * Shantae from Shantae

Mojang

 * Steve, Creeper, Zombie, Enderman, Skeleton, Ghast and Spider from Minecraft

Scott Cawthon

 * Freddy Fazbear, Bonnie, Chica and Foxy from Five Nights at Freddy’s