User blog comment:AYET/Why the (nick) name???/@comment-4006462-20120416101543/@comment-4006462-20120416125900

Rici is the one who called me Nacchy.. Nacchan-san came from Sacchan-san (Gintama) I just like how Shinpachi placed "san" after "chan" .. "N" is just a random letter I typed instead of "S"... well meh.. that's the gist of it