People have been bitten by all sorts of crazy things over the years and gained super-powers as a result. Spider-Man, of course, is the classic example, but even Back In The Day you had The Whizzer getting bitten by a mongoose and for whatever reason gaining super-speed and a hat like a goose. Or eagle, chicken, whatever, when you've got mongoose blood coursing through your veins, the last thing you're worried about is fashion coherence!
So the question is: