Christopher Walken is an actor who is frequently typecast for psychopathic horror characters or high-strung characters. He read Goodnight Moon to children at Springfield's book fair, making them highly uncomfortable.
Behind the laughter[]
Jay Mohr, the actor who voiced Christopher Walken, also frequently portrays him in Saturday Night Live.
The character was originally meant to be voiced by himself in the episode, but Walken demanded a pay fee that FOX felt was too high.