Children: Stepson, Jed Weitzman (father is Howard Weitzman); Daughter, Zoe Emily Winkler (b. 1980); Son, Max Winkler (b. 1983).

Best remembered by the public for his starring role as "Fonzie" on "Happy Days" (1974).

In 2000, he received an Emmy nomination for a guest appearance on the TV series "Battery Park" (2000). However, when the TV Academy discovered that his episode (which was originally scheduled to air in April, but was later burned off in June after the series had already been canceled) had aired outside the nominations period, his nomination was revoked and William H. Macy was instead nominated for his work on "Sports Night" (1998). The award eventually went to Bruce Willis.

Good friend of Jill Eikenberry, who he met when both were students at the Yale School of Drama.

He studied drama at Emerson College in Boston and earned a master's degree at the Yale School of Drama.

Was rehearsing lines with John Ritter before John collapsed and died.

In the fall of 2005, appeared in the season premieres of three different series: "Crossing Jordan" (2001), "Arrested Development" (2003), and "Out of Practice" (2005).

Member of the Board of Governors of the Academy of Motion Picture Arts and Sciences (Actors Branch) [2007-].

Graduate of Emerson College.

His last episode on "Arrested Development" (2003) aired the same day as his first episode on "Out of Practice" (2005), September 19, 2005.

Cousin of Richard Belzer.

Grew up in New York City and upstate in family's country home on Lake Mahopac, NY.

ABC executives did not want to see the Fonz wearing leather thinking the character would appear to be a criminal.

Since 2003, Winkler has collaborated with Lin Oliver on a series of children`s books about a 4th grade boy, Hank Zipzer, who has dyslexia

The motorcycle he rode on "Happy Days" (1974) was the same motorcycle Steve McQueen rode in the famous motorcycle scene at the end of The Great Escape (1963).

Is the godfather of Bryce Dallas Howard, daughter of his former "Happy Days" (1974) co-star Ron Howard.

Was originally asked to play Danny in Grease (1978) but didn`t accept for fear of being typecast after his famous role of Fonzie.

While making a documentary about dyslexia, Winkler himself found that he was dyslexic.

His parents left Nazi Germany in 1939, during the period of Jewish persecutions but before the Holocaust.