Suggestions by @jesselee

Doctor Victor von Doom

as Doctor Doom in Wedding Peach

Dr. Claw

as Dr . Claw in Wedding Peach

Starfire (Titans)

as Starfire in Wedding Peach

Batman

as Batman in Wedding Peach

Raven (Rachel Roth)

as Raven in Wedding Peach

Raven

as Raven in Wedding Peach

LeFou

as Lefou in Wedding Peach

Robin (Dick Grayson)

as Robin ( Dick Grayson) in Wedding Peach

King Koopa

as King Koopa in Wedding Peach

King Kong

as King Kong in Wedding Peach

Ice King

as Ice King in Wedding Peach

Lex Luthor

as Lex Luthor in Wedding Peach

Clayface

as Clayface in Wedding Peach

The Penguin (Oswald Cobblepot)

as The Penguin in Wedding Peach

The Joker (Character)

as The Joker in Wedding Peach

Harley Quinn (Dr. Harleen Quinzel)

as Harley Quinn in Wedding Peach

Cruella De Vil

as Cruella De Vil in Wedding Peach

Sir Hiss

as Sir Hiss in Wedding Peach

Little John

as Little John in Wedding Peach

FAKE

as The Mad Hatter in Wedding Peach