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

(Squishing an ice cream to his forehead) I'm a unitard!

Ralph

Kent Brockman: When cat burglaries start, can mass murders be far behind? This reporter isn't saying that the burglar is an inhuman monster like the Wolfman, but he very well could be. So, professor: would you say it's time for everyone to panic?
Professor: Yes I would, Kent.