The legend is that "fusianasan" was the password for some guy's cap that got found out, and soon after mysterious forces made it so that entering it in the name field would show your hostname and stop all the people pretending to be that guy.

Like >>20 I like to imagine he was trying to write "fusion asian", perhaps because he was half Japanese and half Chinese/Korean/etc., but fushiana is actually a word (a knothole).