Bloke accidentally shows up to every major moment in American history and doesn't seem that fussed about any of it.
Fun fact: Tom Hanks took no salary and instead accepted percentage points, eventually earning him over $40 million.
Three scientists start a ghost extermination business and somehow Bill Murray barely has to try.
Fun fact: Dan Aykroyd wrote the original script for himself and John Belushi, who died two years before filming.