White chocolate rabbit
Wikisimpsons - The Simpsons Wiki
The White Chocolate Rabbit is a rabbit that is in in Homer's imagination that temps Homer to eat him, at first Homer says white chocolate isn't really chocolate, but after the White Chocolate Rabbit temps him some more, he chases him and corners him on the top of a giant cake, finally eating him.
Behind the scenes
The White Chocolate Rabbit is the main boss in the The Simpsons Game's tutorial level (The Land of Chocolate). He later died when Homer eats him.