I haven't loved everything Tim Armstrong has ever done, especially post-1996 (dude's collaborated with Good Charlotte and Mest, after all), but who would've ever guessed the scrappy 22-year-old bassist in Op Ivy was going to grow up to collaborate with pop "weirdo"* Ke$ha:
Speaking of Ke$ha. Remember that one time Paul Constant bravely attended her show at the Showbox at the Market? Funniest review ever.
(Thanks for the tip, Ian.)
*Weirdo is only in quotes because she's not really weird. She just wants you to think she's weird. Which isn't weird, it's marketing. At least she does nice things for charity, though, right?