Back in High School, one year in gym class (or perhaps in was intramurals…it’s been a long time) we all chose names for our different teams (as I recall, the sport in question was baseball, but as I said…it’s been a long time). Anyway, we had all the usual suspects: Giants, Yankees, etc.
And one team that decided to call itself “The Suburban Plankton”. Years later, when I needed a name to use on this newfangled Internet thingy, the phrase called itself back from the depths of my subconscious.
When I got my first “real” PC in 2000, wife and I were starting from scratch. My last PC was a TI 99 4/A. We needed an e-mail address and decided on a family account because we saw no need for individual e-mail addresses. We decided on D.E.S.K., the first initial of me, our youngest, our oldest, and my wife. Top was added for the stupid PC based pun. 668 was added because D.E.S.K.Top was actually taken and one of the suggestions was D.E.S.K.Top668 and it was the easiest to remember. We all now have individual accounts, but I somehow inherited the “family address.”
Minor Greek goddess of…I don’t know…absentmindness.
Or, the letter of the alphabet just before Q.
Mine’s also from Hesse, Narcissus and Goldmund.
It started out as seal_clubber, but tubadiva asked me to change it, so I did. See sig.
I love to ride my scooter! 
Mine is a random series of bits that just happen to look like words.
Or, my parents have an odd sense of humor. I’ve heard it both ways.
Kambuckta and Kumbuckta are two different towns.
I’ll forgive you this time. 
I am a devourer of information, the more trivial the better. And I wanted a username I hadn’t used anywhere else.
There are often speculations of my extinction, sightings of me are pretty rare and then usually only by people nobody in the real world take terribly seriously.
I am not sure if anyone wants to clone me, there are more likely candidates of the smart and/or supermodel variety available after all.
I live north of most US Dopers (although actually south of Gorsnak), and I play the pipes. Pretty straightforward.
Curiously, only for wankin’ it. 
Not being all that familiar with Canada or ice hockey, your post left me thinking ‘‘what the hell does that mean???’’. But I guess it’s ‘‘leaf fan’’, as in the Canadian maple leaf?
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No, it means he’s a masochist. 
I think it was a reference to the Maple Laughs of Make Believe Gardens.
My 2 breeds of dogs- PAP-illons and SETT-ers
At the time I registered, cooking was my primary hobby. I adopted a phrase popular since the 1940s, and I truly prefer a gas stove (but electric oven).
But since then I have revived my first true love, guitar. Now I use a guitar-oriented name on most other boards.
I wanted to sign up as ‘The Enemy of All Mankind’.
But then I got high and somehow ended up with this dumb name.
Life lesson 457: Don’t make important decisions whilst high.
Corollary 420: Either that, or make each and every important decision whilst high.
Axiom 9: Use “whilst” wherever/whenever possible.
Iggy comes from the abundance of blue iguanas where I live.