Yosemite sam is a cartoon character in the Looney Tunes and Merrie Melodies series of short films produced by Warner Bros. His name is taken from Yosemite National Park in California. He is an adversary of Bugs Bunny and his archenemy alongside Elmer Fudd. He is commonly depicted as a mean-spirited and extremely aggressive, gunslinging outlaw or cowboy with a hair-trigger temper and an intense hatred of rabbits, Bugs in particular.