Beating BBM to a Rakutsu avatar. Can't copy me now, lad.
Anyway...
I think it's important to consider the spirit of the rule. We agreed not to change avatars to minimise any confusion and likelihood of being confused for someone else. If you've gotten used to seeing a picture of a catgirl in NNR's profile, for example, it can be disorienting if he suddenly changed to a dogboy. You're sitting there looking for his posts, but overlooking them because the avatar changed.
A tragedy.