Ralph Wiggum is the mentally-challenged son of Police Chief Wiggum and one of Lisa's classmates on The Simpsons. Ralph has a crush on Lisa, has been somewhat friends with Bart, and likes to eat glue. We love Ralph and the adorable things he says.
Ralph: What's a battle?
Principal Skinner: Hahahaha, lets go.
Superintendent Chalmers: Did that boy say what's a battle?
Principal Skinner: No he said What's that rattle, it's about the heating duct.
Superintendent Chalmers: Hmm, it sounded like battle.
Principal Skinner: I've had a cold, so--
Superintendent Chalmers: Oh so you hear r's as b's?
Miss Hoover: You see, class, my Lyme Disease turned out to be (Spells on blackboard) psychosomatic.
Ralph: Does that mean you're crazy?
Janey: No, that means she was faking it.
Miss Hoover: No, actually, it was a little of both.