I am the CaraBarracuda. It blends CaraBara (my SN in the kast chatroom) and barracuda. Get it?
But I do have to give credit to Alex (aka Sh33pDawg of the Mist) for the suggestion. :)
Puck is also known as "Robin (hey, that's actually my name) Goodfellow" or "Hobgoblin" and is best well known from William Shakespeare's A Midsummer Night's Dream (which appeals to the English teacher in me).