Michael Ian Black. He completely cracks me up. I love watching all the VH1 specials like "I Love the 80's" and "I Love the 90's" because he is so dang funny. I ran across an excerot from his book today and it was hilarious. Here's the link http://www.simonsays.com/content/book.cfm?pid=618817&tab=1&agid=2 the excerpt is called "What I Would Be Thinking If I Were Billy Joel Driving to a Holiday Party Where I Knew There Was Going to Be a Piano." Funny stuff. In case you don't know who I am talking about, here is a picture:
Cracks me up!