I was going to vote for the Gorilla, then I realized, it's not based on the movies, and with all the information provied... I'm gonna have to say.... grizzly all the way!
Registered: Nov 2000
Location: somewhere between here and there
Grizzly Bear would tear that fat-ass gorilla a new asshole Unless it was one of those uber-intelligent apes from Planet of the Apes, they he would just shoot the grizzly