That douche goes by MIKE, Spin, Trypio, Hola mang, Cocco Lupia, Holy C, doc, Reg, Jamz, Kegg, and who knows else.
I will ban him again, but each time he changes his IP, I need to ban him again. Since everyone isn't required to use a login/password, there is little I can do besides ban a person based on an IP, and if they are able to change it, there isn't much that can be done, without imposing a bunch of annoying stuff on everyone.