Jonathan Coulton is a geek artist and performer responsible for such oeuvres as Code Monkey, Still Alive, and Want You Gone. Currently the house musician for NPR’s Ask Me Another, Jonathan has just released an original Christmas album, One Christmas at a Time, and will be touring the US later this month.

During the call we’ll auction off a surprise mystery thing! So mysterious even we don’t know what it is yet!

JoCo (as we like to call him) will be calling in on Tuesday at 11:00 AM PST, 2:00 PM EST, 7:00 PM GMT. Questions and cogitations should be left in the comment section.