You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: POP CULTURE: 1999 
Clue: A tongue-in-cheek tribute on the Emmy Awards featured the many deaths of this animated character
kenny

Category: MAD, I TELL YOU! 
Clue: In this film, Martin Balsam tells Anthony Perkins, "If it doesn't gel, isn't aspic"
psycho

Category: PHILOSOPHIC IDEAS 
Clue: The belief that we cannot know whether or not God exists

agnosticism