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: HOLLYWOOD HISTORY 
Clue: Creator of Andy Panda, he held the longest contract in Hollywood --  58 years with Universal
walter lantz

Category: FUNNY WESTERNS 
Clue: Gabby Hayes added comic relief to many of this singing cowboy's films including "My Pal Trigger"
roy rogers

Category: ANIMAL ANAGRAMS 
Clue: Kay got to ride this animal when she visited Tibet

yak