Related:

• Otto: [humming into the bus microphone] Bart: Hey, Otto, can I use that microphone?
  Otto: Sorry, Bart-dude, it's for emergencies only. -- on the bus, "Bart the Daredevil...
• Bart: Hey Otto! Hey Otto-man! Otto: Hey Bart-dude!
  Bart: Any new tattoos, Otto? Otto: Ho! Funny you should ask, man....
• Bart: I didn't know you played the guitar, Otto-Man!
  Otto: Hey, that's all I <did> in high school! -- "Otto Show...
• Bart: [reading his history book while boarding the bus] Otto
  Hey, Bart-dude! Whoa, you little freaked! [?] Ba...
• You failed every segment, and misspelled `bus' on your application.
  -- Patty administers Otto's driving test, "Otto Show...
• Otto: {Hey, Mrs. Simpson! You should try one of these "Smart Drinks.
  [laughs and drinks it] Ooh, wow...I've wasted my life!...
• Apu: Otto, do you know there's a small child inside your bus?
  Otto: [sees Bart] Ooh, good thing you warned me. I was on my way to Mexico!...
• Flanders: I give you the Jury of the Damned! Benedict Arnold, Lizzie Borden, Richard Nixon -- Nixo
  But I'm not dead yet! In fact, I just wrote an article for Redbook....
• Bart: Hey, Milhouse, cool jacket! Milhouse: It cost me 50,000 Bazooka Joe comics!
  -- "Otto Show...