What band's fanbase has the highest nerd population?

[kateshort]

Originally posted by ktsnake
The Bloodhound Gang

-- although They Might be Giants probably runs a close second.

And there's Weird Al.

Ohmigod, yes, Weird Al.

Unless that's more "geek" than nerd, and unless you want a full band instead of a singer, I'd say Weird Al hands down.