Jason Jordan Segel is an American actor, comedian, screenwriter, and producer. He is best known for his role as Marshall Eriksen in the CBS sitcom How I Met Your Mother, as well as for his work with producer Judd Apatow on the television series Freaks and Geeks and Undeclared, and for the critically and commercially successful comedies he has starred in, written and producer. Take a look below for 23 more fun and interesting facts about Jason Segel.

1. Segel was born January 18, 1980, in Los Angeles, to Jillian and Alvin Segel, a lawyer.

2. He grew up in the Pacific Palisades neighborhood.

3. He has an older brother, Adam, and a younger sister, Alison.

4. His father is Jewish, whereas his mother has English, Scottish, Irish, French descent.

5. He has stated that he was raised Jewish, as well as “a little bit of everything”.

6. Segel went to Hebrew school and had a Bar Mitzvah ceremony, and also attended St. Matthew’s Parish School, a private Episcopal school.

7. Following elementary school and middle school, Segel completed his high school studies at Harvard-Westlake School, where his 6 ft 4 in (1.93 m) frame helped him as an active member of the 1996 and 1997 CIF state champion boys’ basketball team.

8. He won a slam dunk contest in high school and he was nicknamed “Dr. Dunk.”

9. He was a backup to the team’s star center, Jason Collins, who went on to play in the NBA.

10. Segel is an ordained minister with the Universal Life Church.

11. He performed a wedding ceremony on The Tonight Show on July 6, 2010, for a couple that solicited his services by placing wanted pictures of him around his home town and the bar he frequently visited.

12. Segel’s first major role was as stoner “freak” Nick Andopolis on the critically acclaimed but short-lived 1999 NBC comedy-drama series Freaks and Geeks.

13. Segel personally composed a song for his character, Nick, to sing to the lead female character, Lindsay (Linda Cardellini).

14. Segel had recurring roles on CSI: Crime Scene Investigation as Neil Jansen and on Undeclared as Eric.

15. He played Marshall Eriksen on the CBS sitcom How I Met Your Mother; he had previously stated he would move on to other projects in 2013 when his contract expired, but was successfully convinced to finish the series after its ninth season in 2014.

16. Segel made his film debut with Can’t Hardly Wait in 1998.

17. His other early feature film appearances include Slackers, SLC Punk!, The Good Humor Man, and Dead Man on Campus.

18. In 2007, he appeared in Knocked Up, directed by Freaks and Geeks producer Judd Apatow.

19. Segel starred in the lead role of 2008’s Forgetting Sarah Marshall, a film he wrote and Apatow produced with Shauna Robertson for Universal Pictures.

20. He also starred in I Love You, Man, which was released on March 20, 2009 by DreamWorks.

21. In Forgetting Sarah Marshall, Segel’s character writes a “Dracula” musical performed by puppets. He also appeared in a full frontal nude scene in the film.

22. For the 2010 comedy Get Him to the Greek, Segel co-wrote most of the soundtrack’s music which was performed by the fictional band Infant Sorrow.

23. In 2017, Segel and Miller released their first young adult novel, Otherworld.