This is the Official User-Name Bargain Bin. Come and donate your previous offerings and other thrown-away UserNames that you have either previously considered, used and/or ultimately discarded for the benefit of mankind. In other words those that didn’t make the grade. 
My donations: SpheroidMcVoid, phoenix
“What’s right is only half of what’s wrong and
I want a short-haired girl who sometimes wears it twice as long.”
George Harrison - Old Brown Shoe
I humbly donate my former incarnation: whammy
A woman needs four animals in her life: A mink in the closet, a Jaguar in the garage, a tiger in the bedroom, and an ass to pay for it all.
—Zsa Zsa Gabor
I have been:
Doight (French for “finger”)
Pandora (which I gave to a German company called Pandora’s Box when they wanted an account on AOL)
Luann
Huh, those are the only ones that I can remember. That’s strange. When I was on AOL I practically changed my name once a month. Of course, since then, I haven’t changed it once (except for when I am cesandra because my current name has too many characters or is taken.)
I would’ve gotten away with it, too, if it weren’t for those meddling kids!
Before Arnold and Moosie get all PO’d over this: that would be doigt 
I’ve always used Coldfire myself, but then, I have only really been online for about 5 years or so.
Coldfire
Voted Poster Most Likely To Post Drunk
"You know how complex women are"
some of my chat room names in the past…
60secondassassin
J@YK@Y
The Irish Rover
ZiggyPlayed Guitar
IftheymoveKillem
DirtyMcGurty
the list goes on and on
Tumbleweed-1 because tumbleweed was already taken.
“What’s right is only half of what’s wrong and
I want a short-haired girl who sometimes wears it twice as long.”
George Harrison - Old Brown Shoe
Not discarded so much as used elsewhere:
noophage
LoreleiGuy
Hollowman
0xdeadbeef
The Tick
and some variations on my real name which are no fun, except for “Very Misshapen Ant”.
My first online name (from before there was an internet, you young whippersnappers, and it was uphill both ways) was MrMax… No particular reason, but the alliteration sounded good and was vaguely formal (much like my chat style).
I needed a temporary name to lurk for some forgotten reason, picked “SingleDad” at random, and found out it was a big hit with the chicks, so I kept it.
If Cecil Adams did not exist, we would be obliged to create Him.