His parents left Nazi Germany in 1939, during the period of Jewish persecutions but before the Holocaust.
Is the godfather of Bryce Dallas Howard, daughter of his former "Happy Days" (1974) co-star Ron Howard.
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).
Best remembered by the public for his starring role as "Fonzie" on "Happy Days" (1974).
Was originally asked to play Danny in Grease (1978) but didn't accept for fear of being typecast after his famous role of Fonzie.
Children: Stepson, Jed Weitzman (father is Howard Weitzman); Daughter, Zoe Emily Winkler (b. 1980); Son, Max Winkler (b. 1983).
Father-in-law of actor, Rob Reinis and father of Zoe Winkler (born in 1981). She is a preschool teacher in Santa Monica, California.
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burned off in June after the series had already been canceled) had aired outside the nominations period, his nomination was revoked and William H. Macy was instead nominated for his work on "Sports Night" (1998).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.
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).
His last episode on "Arrested Development" (2003) aired the same day as his first episode on "Out of Practice" (2005), September 19, 2005.
As a guest on "The Paul O'Grady Show" (2004) (Nov. 18, 2009), Winkler confessed that he could not ride a motorcycle. Despite his image as an inveterate biker on the hit sitcom "Happy Days" (1974), Winkler never actually rode the bike on the series. During his one and only attempt at mastering the machine, Winkler took a tumble and stayed away from motorcycles after that nasty experience.
Member of the Board of Governors of the Academy of Motion Picture Arts and Sciences (Actors Branch) [2007-].
Received an Order of the British Empire award (OBE) from Queen Elizabeth (April, 2011) in recognition of his work with British children with learning challenges, via his My Way! Campaign.