Suggestions by @jesselee

Jafar (Aladdin)

as Jafar in Scrappy-Doo: The Movie

Megara

as Megara in Scrappy-Doo: The Movie

Hercules (Disney Character)

as Hercules in Scrappy-Doo: The Movie

Cinderella (Disney Character)

as Cinderella in Scrappy-Doo: The Movie

Prince Charming

as Prince Charming in Scrappy-Doo: The Movie

The Fairy Godmother

as Fairy Godmother in Scrappy-Doo: The Movie

Lady Tremaine

as Lady Tremaine in Scrappy-Doo: The Movie

Jaq and Gus

as Jaq and Gus in Scrappy-Doo: The Movie

Minnie Mouse

as Minnie Mouse in Scrappy-Doo: The Movie

Mickey Mouse

as Mickey Mouse in Scrappy-Doo: The Movie

Donald Duck

as Donald Duck in Scrappy-Doo: The Movie

Daisy Duck

as Daisy Duck in Scrappy-Doo: The Movie

Pluto (Disney)

as Pluto in Scrappy-Doo: The Movie

Bashful (Snow White and the Seven Dwarfs)

as Bashful in Scrappy-Doo: The Movie

Sleepy (Snow White and the Seven Dwarfs)

as Sleepy in Scrappy-Doo: The Movie

Dopey

as Dopey in Scrappy-Doo: The Movie

Sneezy (Snow White and the Seven Dwarfs)

as Sneezy in Scrappy-Doo: The Movie

Happy (Snow White and the Seven Dwarfs)

as Happy in Scrappy-Doo: The Movie

Green Ghosts

as Green Ghosts in Scrappy-Doo: The Movie

Thanos (Marvel)

as Thanos in Scrappy-Doo: The Movie