Submitted by HowIsYourBreathing t3_10q7hah in movies
Probably most examples will be from comedies.
Like Mugatu from Zoolander. Who is famous because he invented the piano key necktie. Somehow he became the head of fashion on that accomplishment.
Ray Finkle in Ace Ventura. That sort of thing. Decade long revenge plot because of the laces on the football being wrong.
Dimebag0352 t1_j6ob2b6 wrote
Also the Nihilists in The Big Lebowski.