Here's a video of a cat—a seemingly very, very angry cat—being completely unamused by the adorable, "Happy Birthday!" song that his owners (or owners' kids?) are singing to him. That said, since when do cats have birthday parties?
Is it just me, or does Winston Bananas have some unamusing competition? (Answer: No, because there will never be another Winston Bananas, but—still—the question needed to be asked.)