Ensemble Darkhorse: Perhaps because British people seem to find his character concept inherently humorous.
Badass Decay: The Fury has gone from a terrifying, world-destroying abomination to being slapped down by a single team of X-men wannabes who didn't even take any casualties in the process. Later revealed to be a lesser copy created to test the young mutant.
Fridge Logic: If his only mutant power is to perfectly reproduce any given sound, how did he grow up to become a Beast Man? He looked completely human as a kid. However, it wouldn't be the first time that physical mutation in the Marvel Universe started in puberty and didn't necessarily match the 'powers' the character ended up with.