A Gibbo
A big, ape-like creature that can do tricks and play chess, but it pees itself every time the endgame happens. It's like a dog with a PhD.
''That gibbo peed itself during the endgame. Classic.''
''He's a gibbo, and he peed himself when he saw the endgame coming.'''
''That gibbo is like a dog with a PhD, but it pees itself at the endgame.''