Jonathan Coulton 

A former programmer turned singer/songwriter. First achieved notoriety with his folk rendition of "Baby Got Back". Wrote "Still Alive", the credits song in Portal; and "Code Monkey", which is now the theme song for the G4 show of the same name. Has six albums on iTunes and two podcasts. Possibly the only artists immune to the effects of fame and money.

Jonathan Coulton is the shit

Jonathan Coulton by The Ska Assassin February 17, 2009

Jonathon Coulton

A songwriting genius. His music is sort of folk-rockish and has nerdy lyrics involving zombies, nerd love and evil masterminds.

Some great songs by Jonathon Coulton:
Re: Your Brains
The Future Soon
Code Monkey
I Crush Everything
Skullcrusher Mountain

Jonathon Coulton by RandomDude65339339356217974 September 11, 2009