Otto Mann is Lisa and Bart's bus driver at Springfield Elementary on The Simpsons.  Otto is of German descent and is into heavy metal and drug use.  He's also known for driving like a nut job.

Otto Mann Quotes

(A concerned Bart boards the school bus.)
Otto: Hey, Bart, dude! Whoa, you look freaked.
Bart: Hey, Otto man, I got a big test today that I am not ready for. Could you please crash the bus or something?
Otto: Oh, sorry, little buddy. Can't do it on purpose. But hey, maybe you'll get lucky!

Marge: Ultimate makes everything worse
Otto: Not frisbee!
Marge: Otto, don't you have a sack to hackey?

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