He epic failed on the ZM forums and got banned. He's back as 'fifi' (Well, that's my theory. :lion ) to release more wacked shit; like a hack that makes shamblers sprint, replacing weapons with M16s and shit, and generally screwing with ZM until it's a L4D clone.
Edit: I'll pull out vmex on his dev textured maps once I have RQ B5 done. :cookie