Portal:The Simpsons/Did you know/9
- ...that when Dan Castellaneta was trying a voice for Groundskeeper Willie, he tried using a Spanish voice, and a "big dumb Swede" before using the voice of an angry Scotsman?
Source
[edit]- Reiss, Mike (2002). The Simpsons season 2 DVD commentary for the episode "Principal Charming" (DVD). 20th Century Fox.