In one of our recent Episode guide comments sections, we were discussing how STOOPID Jimmy from “I Accuse My Parents” was, when alert regular “Littleamishboy” suggested:

Gee, there’s a lot of competition though … Crayola Hat Guy, Doctor Ski Bum. the entire Japanese military/scientific establishment (“The monster called Godzilla is destroying the city! Quick, find an eight year old boy to tell us how to react!”).
Maybe a good discussion topic.

Indeed it is. I must begin with John Forsythe in “Kitten with a Whip”–the stupid against which all other stupid must be measured. Other than that, have at it.