'Zifnab' was a wizard in The Death Gate Cycle. He was known for being slightly eccentric, not being able to follow conversations well, and impersonating other wizards and people (including Gandalf, Fizban from Dragonlance, James Bond, and the wizard of Oz). I have no idea why I picked it, I used to use 'solembum9912' beforehand (the cat from Eragon). The 06 really doesn't mean anything, I've been using it since long before then, it was just arbitrary numbers.
'zifnab'
Probably a giant rabbit. With fangs. And claws. And laser eyes. Oh, and that dehydration gun from Megamind.