breadpig: Started an uncorporation that designs and sells interesting, geeky things. The mascot is a pig with bread wings.
FeedbackFail: A collection of the most entertaining feedback mail submitted to any website brave enough to solicit it. Over the last three years, I've seen a great range of human emotion and intelligence in these emails. I know I'm not alone. We'd love your submissions.
LOLmagnetz: Magnetic LOLspeak for your fridge. Magnetic poetry -- for geeks. LOLmagnetz owners submit photos of their magnetic genius.
reddit: Co-founded a news website where readers, not editors, determine what goes on the front page. I started doodling the alien mascot back in April 2005. Still do.
*unHoliday Cards: Greeting cards for the rest of us.
*YC Founders & YC Startups: A collection of blog feeds from all the Y Combinator founders and their startups, respectively. Ideal for startup stalkers.
YourWeek: A television news program (also available online) powered by reddit. It currently has no mascot. Alas, this wasn't picked up by PBS. Probably because it was devoid of mascot.
*new project -- with nougat center