I can't remember if I already responded to this one, so oh well...
Nick: Tabacco is my last name
Title: It's a reference to Terry Pratchett's "Monstrous Regiment" wherein all sorts of everyday things are declared abominations unto Nuggan (a very uptight god it would seem)
Avatar: Zapp Brannigan from Futurama!
Sig: It's a quote from The Hitchhiker's Guide to the Galaxy. Possibly from the books, but definitely from the original radio shows.