Suggestions by @jesselee

Caterpillar

as Caterpillar in Wedding Peach

White Rabbit

as White Rabbit in Wedding Peach

Alice Kingsleigh

as Alice Kingsleigh in Wedding Peach

Alice (Disney)

as Alice in Wedding Peach

Jafar (Disney)

as Jafar in Wedding Peach

Witch Doctor

as Witch Doctor in Wedding Peach

Old Iron Face

as Old Iron Face in Wedding Peach

Starfire (Koriand'r)

as Starfire in Wedding Peach

Princess Bubblegum

as Princess Bubblegum in Wedding Peach

Marceline

as Marclince in Wedding Peach

Wendy Darling

as Wendy Darling in Wedding Peach

Peter Pan (Disney Character)

as Peter Pan in Wedding Peach

Magic Mirror

as Magic Mirror in Wedding Peach

Old Hag

as Old Hag in Wedding Peach

Zira

as Zira in Wedding Peach

Madame Medusa

as Madame Medusa in Wedding Peach

Snow White (Disney character)

as Snow Whjte in Wedding Peach

KA.R.E.N. the Computer Wife

as KA.R.E.N. the Computer Wife in Wedding Peach

"Honest" John Worthington Foulfellow

as Honset John in Wedding Peach

Sheldon J. Plankton

as Plankton in Wedding Peach