Suggestions by @cutmanisatschool

Garfield

as Garfield and EVERYONE: The Avengers 2.0 in Make your Own Crossover

Conker the Squirrel

as Chester Cheetah in Foodfight: BETTER EDITION

Chris Pratt

as Garfield in Avengers: The Kang Controversy

The Terminator

as Who Grabs The Stones? in EVERYONE: War For The Multiverse

Guns N' Roses

as Soundtrack in EVERYONE: War For The Multiverse

Arnold Schwarzenegger

as Flippy/Fliqpy in Happy Tree Friends: The Movie (2027)

Jacob Tremblay

as John Connor (Saved) in Terminator: Isolation

Gru

as Gru in Despicable Me: Terror Of The Grus: Part 1

Godzilla (Franchise)

as Illumination in What If Collaborations

Christopher Knights

as Hedorah in Godzilla Animated Movie

Frank Welker

as Shredder in NT: Ninja Turtles

kuderek83

as Leonardo in Teenage Mutant Ninja Turtles

Steven Caple Jr.

as Director in TMNT 3

Hector David Jr.

as Green Chameleon in Power Rangers: 30th Anniversary

Alan Ritchson

as Raph in Teenage Mutant Ninja Turtles vs. RoboCop vs. Terminator vs. Predator

Jeremy Howard

as Donnie in Teenage Mutant Ninja Turtles vs. RoboCop vs. Terminator vs. Predator

Noel Fisher

as Mikey in Teenage Mutant Ninja Turtles vs. RoboCop vs. Terminator vs. Predator

Johnny Knoxville

as Leo in Teenage Mutant Ninja Turtles vs. RoboCop vs. Terminator vs. Predator

Townsend Coleman

as Michael the Sussy Ninja Turtle in Buck and Squidward: The Breakout

Dane Boedigheimer

as Annoying Orange in Meme Squad 4: Endmeme