Trivia: In several scenes where H.I. is in the factory where he works his work suit has a "Hudsucker Industries" patch on it. The Cohen brothers who directed and produced the movie also put out a movie a few years back called "The Hudsucker Proxy."
Trivia: When the biker is riding into town in HI's dream and throws a grenade at a rabbit, it resembles the scene in Monty Python and the Holy Grail where they throw the Holy Hand Grenade at the killer rabbit.
Trivia: As mentioned before the newspaper H.I. and Ed read about the quints is mostly repeated nonsense. It the first paragraph contains an in-joke about actor Trey Wilson mentioning his portrayal of Nathan Arizona.
Trivia: In the opening montage a picture appears repeatedly on the wall in nearly all of the different locations, all of the same person, an older man with glasses in a gray or black suit. It is in the police station, parole review, wedding, doctors office, and adoption agency. It is likely an homage.