You Vote: World's Worst Office Nut Case

My recent post "Office Nut Cases: A Field Guide" gave the 13 most common types of toxic co-workers. Since a lot of people enjoyed it, I thought it might be fun to have a vote on which type is the most annoying. Here's a summary of the 13 types, with links to more detailed descriptions, followed by a poll where you can vote on your (least) favorite:

READERS: Feel free to leave a comment explaining why you voted the way that you did.