Bart regularly addresses Homer by his given name instead of "Dad", while Homer in turn often refers to him as "the boy".

Is Homer really Bart's dad?

Role in The Simpsons

Homer Jay Simpson is the bumbling husband of Marge, and father to Bart, Lisa and Maggie Simpson. He is the son of Mona and Abraham "Grampa" Simpson. Homer held over 188 different jobs in the first 400 episodes of The Simpsons.

What is Bart Simpsons IQ?

Dr. Pryor walks in on the meeting, and surprises everyone when he tells them that Bart is a “gifted child,” and according to the aptitude test from earlier, Bart has an I.Q. of 216. Dr.