“It kill your brain cells, son. It kill your brain cells! Now when you're destroying your brain cells, your doing the same thing as killing yourself. You just doing it slower! Now, I say, if wanna kill yourself, don't fuck around with it. Go on and do it expeditiously!”

Morgan Freeman - Principal Joe Clark

“I should kill you, Frankenstein. But after all, your father gave me life and you gave me a brain.”

Lon Chaney Jr. - The Monster

“- Ullman: Don't kill me!
- Doctor Gustav Niemann: Kill my trusted old assistant? Why, no. I'm going to repay you for betraying me; I'm going to give that brain of yours a new home in the skull of the Frankenstein monster.”
Frank Reicher - Ullman
Boris Karloff - Doctor Gustav Niemann

“- K. Edgar Singer: I'm afraid we're going to have to perform an invasive quadrilobal brain probe on you and pluck it from your head.
- Gonzo: The information?
- K. Edgar Singer: No, your brain.”
Jeffrey Tambor - K. Edgar Singer
Dave Goelz - Gonzo

“If I ever see him again, I'm going to cut open his head and eat his brain.”
Dennis Hopper - Deacon