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: ARTISTS & THEIR SUBJECTS 
Clue: Augustus John, known for his portrait of this Welsh poet, introduced the poet to his future wife Caitlin
dylan thomas

Category: ODD ANIMAL FACTS 
Clue: Don't book any chipmunks for a recordings session during this season of the year; they're sleeping
winter

Category: PEOPLE 
Clue: He says that Gerry Rivers is not his real name but admits he was sometimes called Gerry as a kid

geraldo rivera