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

(The family watches Homer's launch on TV.)
Bart: Go, Dad, go!
Lisa: How doth the hero, strong and brave, a celestial path to the heavens paved!
(The family stares at her.)
Lisa: Go, Dad, go.

Mr. Burns: I specifically said, no geeks!
Milhouse: But my mom says I'm cool...