Male
Willy Wonka Costume Guide
Female
Matilda
Male
Henry Sugar
Female
Roald Dahl - 4 Halloween Costume Ideas
This tag covers characters from Roald Dahl adaptations, Willy Wonka's eccentric purple-coat glamour, Matilda's plain, precocious schoolgirl look, Veruca Salt's spoiled, over-the-top styling. The stories share a taste for exaggeration, and the costumes follow that lead.
Willy Wonka is the most involved build here, the coat, cane, and top hat all matter. Matilda is the opposite, plain clothes and a stack of books get the reference across just fine.
Willy Wonka, the coat, cane, and top hat combination takes real assembly.
Matilda, simple schoolgirl clothes and a couple of books covers it.
Mostly yes, especially Willy Wonka and Matilda, both have well-known film adaptations.