I got mine a few years ago after wanting to set up an e-mail address. Wasn't feeling very creative at the time so asked a friend next to me. He just said "why not some geezer @ blah blah". He meant it sarcastically, but I thought Somegeezer has a nice ring to it.
Another I often use is Liquid Mind. It's from something I saw. [strangely, on that same friend's t-shirt]... It said "Solid Conscience ~ Liquid Mind". I use that for my MSN screen name and often shorten it to Liquid Mind for some things. That sentence really makes me think too.
Solid Conscience ~ Liquid Mind
[Insert witty comment here]
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