to get us started, i think whatever we come up with should be available in finger puppet format!
(Just FYI, I started this thread because I mentioned a maemo mascot over in the uniform thread as a joke and got three replies in a row saying it was genuinely a good idea.) Personally I've always been dubious about the benefit of mascots, BUT... when you think about it they do exist on an awful lot of successful open source projects, and maybe they help to make the projects more noticeable, memorable and approachable.
Kawaiiiiiii !
It's Linux, shouldn't it be a penguin of some sort? Serious, Tattooed, Branded, tablet in hand, something?