Fiduciano = Fido
Aspernatio = Aspirin, Nate-dog
Kamundios = Cammy, Dee-dee
Tarboosnan = Tarbutt, Boobooman
Syril = Silly Syril
Kyudi = Cutie

Okay, now that we've established that you're going to get nicknames no matter what you choose, shall we drop the matter?