Oh, by the way,
Pit Viper is Madarame (The extensive way of speaking)
Toshizo is Kohsaka (the obvious knowledge of fighting games)
Benjamin is Sasahara (Ritsuko Kubel Kettengrad obsession)
Fukurou or whatever he's called in English is Tanaka (it's mentioned in one of the actual chapters)
Kodama is Kugayama (Slight obsession with Yamada)
Yohko is Ohno (old man yaoi)