Jeff Albertson, or Comic Book Guy as he is referred to most of the time, is one of the popular recurring characters on The Simpsons.  Comic Book Guy is voiced by Hank Azaria and is portrayed as an obese, nerdy guy.

Comic Book Guy owns the comic book store, The Adroid's Dungeon & Baseball Card Shop and is very much a stereotypical nerd.  Worst. Nerd. Ever!

Comic Book Guy Quotes

Comic Book Guy: You are acceptable!
Homer: Great, would you like to see me naked?
Studio Exec: Oh, there's no nudity in this movie
Homer: What movie?

I played hardball with hollywood, the closest i will ever come to playing a sport in my life

Comic Book Guy

The Simpsons Quotes

Homer: (Wearing glasses) The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side!
Man: (From inside a bathroom stall.) That's a right triangle, you idiot!
Homer: D'oh!

Son, a woman is a lot like a... a refrigerator! They're about six feet tall, 300 pounds. They make ice, and um Oh, wait a minute! Actually, a woman is more like a beer. They smell good, they look good, you'd step over your own mother just to get one! But you can't stop at one, you wanna drink another woman!

Homer