Bugs' Bonnets is a 1956 Warner Bros. Merrie Melodies cartoon, directed by Chuck Jones and written by Tedd Pierce.

This event leads to a series of exchanges as Bugs Bunny and Elmer Fudd don various hats, each triggering a corresponding shift in behavior.

Amidst a chase replete with hat exchanges, Bugs adopts roles ranging from a military sergeant to a game warden, while Elmer transforms into General Douglas MacArthur and a pilgrim, among others.

The scene is set to Felix Mendelssohn's "Wedding March" as Bugs (in a top hat) carries Elmer (in a bride's veil) to a cottage.

shows up [in] Bugs' Bonnets, a dreary exposition on the notion that the hat one wears shapes one's personality.