Suggestions by @jesselee

Viridi

as Viridi in The Zach Rabbit and Mickey Unicorn Movie

Wolverine (James "Logan" Howlett)

as Wolverine in The Zach Rabbit and Mickey Unicorn Movie

KA.R.E.N. the Computer Wife

as KA.R.E.N. the Computer Wife in The Zach Rabbit and Mickey Unicorn Movie

Sandy Cheeks

as Sandy Cheeks in The Zach Rabbit and Mickey Unicorn Movie

Patrick Star

as Patrick star in The Zach Rabbit and Mickey Unicorn Movie

Sheldon J. Plankton

as Plankton in The Zach Rabbit and Mickey Unicorn Movie

SpongeBob SquarePants (character)

as SpongeBob Squarepants in The Zach Rabbit and Mickey Unicorn Movie

Lex Luthor

as Lex Luthor in The Zach Rabbit and Mickey Unicorn Movie

Harley Quinn (Dr. Harleen Quinzel)

as Harley Quinn in The Zach Rabbit and Mickey Unicorn Movie

Green Arrow (Oliver Queen)

as Green Arrow in The Zach Rabbit and Mickey Unicorn Movie

Clayface

as Clayface in The Zach Rabbit and Mickey Unicorn Movie

Wonder Woman (Diana Prince)

as Wonder Woman in The Zach Rabbit and Mickey Unicorn Movie

Batman

as Batman in The Zach Rabbit and Mickey Unicorn Movie

The Joker (Character)

as The Joker in The Zach Rabbit and Mickey Unicorn Movie

The Penguin (Oswald Cobblepot)

as The Penguin in The Zach Rabbit and Mickey Unicorn Movie

Tigger

as Tigger in The Zach Rabbit and Mickey Unicorn Movie

Piglet (Winnie-the-Pooh)

as Piglet in The Zach Rabbit and Mickey Unicorn Movie

Eeyore

as Eeyore in The Zach Rabbit and Mickey Unicorn Movie

Sir Hiss

as Sir Hiss in The Zach Rabbit and Mickey Unicorn Movie

Prince John

as Prince John in The Zach Rabbit and Mickey Unicorn Movie