Suggestions by @jesselee

Jiminy Cricket

as Jiminy Cricket in Scooby Doo: Belle

Peter Pan (Disney Character)

as Peter Pan in Scooby Doo: Belle

The Blue Fairy

as Blue Fairy in Scooby Doo: Belle

Honest John (Keegan-Michael Key)

as Honset John in Scooby Doo: Belle

Mr. Smee

as Mr .Smee in Scooby Doo: Belle

Captain Hook

as Captain Hook in Scooby Doo: Belle

Sheldon J. Plankton

as Plankton in Scooby Doo: Belle

KA.R.E.N. the Computer Wife

as KA.R.E. N. The Computer in Scooby Doo: Belle

Chernabog

as Chernabog in Scooby Doo: Belle

Hades (Disney)

as Hades in Scooby Doo: Belle

Stromboli

as Stromboli in Scooby Doo: Belle

Maleficent (Disney)

as Maleficent in Scooby Doo: Belle

Professor Padraic Ratigan

as Ratigan in Scooby Doo: Belle

Pluto (Disney)

as Pluto in Scooby Doo: Belle

Goofy

as Goofy in Scooby Doo: Belle

Donald Duck

as Donald Duck in Scooby Doo: Belle

Daisy Duck

as Daisy Duck in Scooby Doo: Belle

Max Goof

as Max Goof in Scooby Doo: Belle

Minnie Mouse

as Minnie Mouse in Scooby Doo: Belle

Mickey Mouse (Disney Character)

as Mickey Mouse in Scooby Doo: Belle