The daughter of a record executive, his mother, drove a red corvette in high school.

While in high school, he started a radio show on the campus station. The show gave him an excuse to seek out and interview comedians such as Jerry Seinfeld, Jay Leno and Garry Shandling. Several years later, Shandling would hire him to write for "The Larry Sanders Show" (1992).

Discovered Jay Baruchel.

2007 - Ranked #1 on EW's The 50 Smartest People in Hollywood.

Was once a roommate of Adam Sandler.

Before he was famous, he asked his comedy hero, Steve Martin, for his autograph, but Martin refused (he didn't give autographs at his home). Afterwords, Apatow wrote him a nasty letter with some nicely placed profanity. In response, Martin sent him a copy of his book, "Cruel Shoes." The inscription read: "Sorry, I didn't realize I was speaking to THE Judd Apatow.".

Came to Hollywood at 17.

Judd's grandparents on his father, Maury's side owned a pharmacy.

Has two daughters, Maude Apatow and Iris Apatow, with wife Leslie Mann.

When he won an award for The 40 Year Old Virgin (2005) at the 10th Broadcast Film Critic Awards he stated Garry Shandling taught him how to write.

His favorite comedy film is Young Frankenstein (1974).

Judd's mother, Tami, attended the same high school and was good friends with Marilyn Berliner who is the aunt of Shane Stanley.

His number-one idol is Steve Martin.

Claimed on his Myspace that his influences are Hal Ashby, Garry Shandling, Cameron Crowe, James L. Brooks, David Chase and John Cassavetes.

His first job was as a dishwasher in a comedy club, which he took so that he could meet stand-up comics.