A man of seemingly legendary stature, the actor broke out on "Saturday Night Live" in the late '70s and only grew more prominent with unforgettable roles in "Caddyshack" (1980) and "Ghostbusters" (1984). Since then, Murray has also established himself in dramatic roles, such as in the acclaimed Sofia Coppola movie "Lost in Translation," which garnered him a Best Actor nomination.
Whether or not you've seen Murray on the big screen or at the ballpark, there's still much to know about the star. From his duet with Clint Eastwood to his unbelievable encounters with fans, here are 21 things you probably don't know about Bill Murray.
1. Murray is a part-owner of three minor league baseball teams, including the Riverdogs in Charleston, South Carolina. and the Brockton Rox in Massachusetts, which explains this.
2. Murray admits to signing on for the "Garfield" movie because he thought the Coen brothers -- the famed writer-directors of "The Big Lebowski" and "No Country for Old Men" -- were making the film. Only later did the actor realize it was the director Joel Cohen (not Joel Coen)!
3. In 2007, Bill Murray jammed out with Eric Clapton at the Crossroads Guitar Festival.
4. He also sang a duet with Clint Eastwood, which is as good as you'd expect.
5. While filming "Mad Dog and Glory," Murray accidentally broke Robert De Niro's nose.
6. Word has it, the actor is known for going to random house parties (and even doing the dishes) when approached by fans!
7. His role in "Ghostbusters" was originally meant for fellow "SNL" star John Belushi.
8. As a teenager, Murray was the lead singer in a rock band called the Dutch Masters. Later, the actor performed his own vocals for the song "The Best Thing" in John Waters's film "Polyester" (1982).
9. During the construction of the Poet's House, a library in Manhattan, the comedian dropped by to read poems to the project's construction workers. While reading, he said, "It gets worse. If you want to take a sick day, do it now."
10. Dan Aykroyd nicknamed him "The Murricane" for his notorious mood swings.
11. Murray is the fifth of nine children. Three of his brothers are also actors: John Murray, Joel Murray, and Brian Doyle-Murray. All the brothers can be seen in 1988's "Scrooged."
12. Murray and members of Wu-Tang Clan (RZA and GZA) walked into an Austin bar and started bartending. No matter what they ordered, the actor would just give them shots of tequila. It's almost too good to be true!
13. The reclusive actor does not have an agent. He has an automated phone line where one can call to pitch an idea over voicemail and if he likes it, he'll contact the filmmaker back. Don't hold your breath!
14. He was David Letterman's first onscreen interview back in 1982. Since then, Murray has shown up on the show in a variety of ridiculous and hilarious outfits, from a jockey costume to a green jacket with boxers ensemble.
15. Murray and his brothers worked as golf caddies while in high school in order to fund their Jesuit education.
16. One time, Murray came up to a patron at Wendy's, took a fry off the person's tray, ate it, looked them in the eyes and said, "Nobody's going to believe you" and walked away.
17. The actor replaced Chevy Chase on "Saturday Night Live" in 1976. When Chase returned to host the show in its third season, the two got into a now-legendary fight.
18. He's a diehard Chicago Cubs fan and threw out the first pitch on Opening Day at Wrigley Field in 2012. After the throw, Murray took a victory lap around the bases.
19. Murray is an avid golfer and a huge fan of the sport. Perhaps inspired by his character's ridiculous behavior in "Caddyshack," the actor wears just about anything when he's out on the course.
20. He was paid $9,000 for his role in "Rushmore" (1998). When Disney wouldn't pay for a helicopter for a scene, Murray humbly gave the director Wes Anderson a $25,000 check to shoot it.
21. When his character in "Kingpin," Ernie McCracken, bowls three straight strikes in the final showdown, Murray actually accomplished the feat himself. The crowd's response is a genuine reaction to the actor's surprising skill.
[Sources: Empire, Wikipedia, IMDb, The Telegraph]