Mrs. Puff

Mrs. Puff is a minor antagonist in Avengers: Endgame and Spongebob's former boating teacher. The Mani Mani Statue corrupted her mind in Avengers: Age of Starmen.

Appearance
Mrs. Puff appears to be a tall, round pufferfish with blonde hair, a blue shirt, and a red skirt.

Story
Mrs. Puff briefly appears in Act I as one of the two targets of Squidward and Patrick's mission to kill the villains running Bikini Bottom. She attacks with Mr. Krabs in the former Krusty Krab site, where the Avengers fight her off and she presumeably dies or comes to her senses, as she does not return in Tokyo or the Final Battle in Act III.