I would like to see Raven from Teen Titans(2003), Juniper Lee from The Life and Times of Juniper Lee, Rex from Generator Rex, Zak Saturday from The Secret Saturdays, The Swat Kats, Fred Flintstone, George Jetson, Scooby Doo, one of The Crites from Critters, Scarecrow, Bane, Mandy from The Grim Adventures of Billy & Mandy, FangFace the werewolf, Jabber Jaw, Captain Caveman, Ben 10, Popeye the Sailor Man, Spike from Tom & Jerry, Deadshot, Gipsy Danger from Pacific Rim, Godzilla, Kong, Krypto the Super Dog, George from Rampage, Aquaman, The Animaniacs, Osmosis Jones, Speed Racer, Harry Potter, ThunderCats, Static Shock, Rudolph from The Little Vampire, Shazam, Jonah Hex, any character from The Never Ending Story, Michael Jordan, Courage the Cowardly Dog, Newt Scamander, Blue Beetle, any character from the 2011 Red Riding Hood movie, The Terminator, Demolition Man, Cobra, Black Hat and Demencia from Villainous, and Blue Falcon. For guest characters, I'm thinking ones that have done crossovers with some of the characters: Ruby Rose and Yang Xiao Long from RWBY, Raphael and Leonardo from TMNT, and John Cena.
Plus I pretty sure animainiacs are confirmed and for the stages would want Tom and Jerry stages from the movies and sonic stages and Garfield stages and animainiacs stages and ready player one movie stages and cuphead stages and top cat stages and tiny toons stages and ok ko let’s be heroes stages