Biohazard comes from the forum www.wii-homebrew.com, a german-speaking forum bz the way, and is propperly known there for his 'anti-warez' actions. Anyways, he comes from Austria and uses his Wii for varios things. Not only gaming, but also as an FTPßserver and such.
Globally, he isn't much of a meaning, but he's known in every corner of his forum. Not only for fighting piracy, also for his fast support, 24/7