While in this state, he has ad-libbed several of Homer's least intelligent comments, such as the line "S-M-R-T; I mean, S-M-A-R-T!" from "Homer Goes to College" (season five, 1993) which was a genuine mistake made by Castellaneta during recording.
Mens han er i denne tilstand har han improviseret flere af Homers mindst intelligente kommentarer såsom linjen "I am so smart, s-m-r-t" fra episode "Homer Goes To College" (sæson fem, 1993), som var en ægte fejl, lavet af Castellaneta under optagelserne .