Grew up in New York City and upstate in family's country home on Lake Mahopac, NY.
While making a documentary about dyslexia, Winkler himself found, at age 31, that he is dyslexic.
Was rehearsing lines with John Ritter before John collapsed and died.
Father of Zoe Winkler and Max Winkler. Father-in-law of actor Rob Reinis. Stepfather of Jed Weitzman (father is Howard Weitzman). Godfather of Bryce Dallas Howard (daughter of his former Happy Days (1974) co-star Ron Howard).
He studied drama at Emerson College in Boston and earned a master's degree at the Yale School of Drama.
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).
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.
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burned off in June after the series had already been canceled) had aired outside the nominations period, his nomination was revoked and William H. Macy was instead nominated for his work on Sports Night (1998).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.
Member of the Board of Governors of the Academy of Motion Picture Arts and Sciences (Actors Branch) [2007-].
As a guest on The New 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.
Winkler is an amateur photographer who brings his camera to every shoot.
Received an Honorary Order of the British Empire award (OBE) from Queen Elizabeth II (April, 2011) in recognition of his work with British children with learning challenges, via his My Way! Campaign.
Is an avid, long-term fly-fishing enthusiast, along with his wife and their children.
His first ride on the Happy Days (1974) motorcycle resulted in him crashing into the sound-van. From that time onward, the bike was kept on a board-on-wheels that was pulled along.
A staunch Democrat, he has spent much of his time and money towards various liberal causes as well as to the campaigns of such politicians as Jimmy Carter, Bill Clinton, Al Gore, John Kerry, and Barack Obama.
Played the same character (Arthur 'Fonzie' Fonzarelli) on five different series: Happy Days (1974), Laverne & Shirley (1976), Mork & Mindy (1978), The Fonz and the Happy Days Gang (1980) and Joanie Loves Chachi (1982).
Appeared at The World Of Wheels in Birmingham, Alabama for a Happy Days Reunion along with costar Don Most. [February 2009]
Starring alongside Les Dennis in the Stage Production of "Peter Pan" at The Empire Theatre, Liverpool, UK. [December 2009]
An accomplished water-skiing enthusiast, he once worked as a skiing instructor.
Friends with Ron Howard, Anson Williams, Cristina Ferrare, Don Most, and John Ritter.
Creator and in charge of the film company "Fair Dinkum Productions". Fair Dinkum is an Australian slang word meaning honest, honestly or the truth or truthfully.
Along with Tom Bosley, he is one of only two actors to appear in all 255 episodes of Happy Days (1974).
Won the 2018 Emmy Award in the Supporting Actor in a Comedy Series category for his role as Gene Cousineau in Barry (2018).
Nominated for the 2019 Golden Globe Award in the Best Performance by an Actor in a Supporting Role in a Series, Limited Series or Motion Picture Made for Television category for his role as Gene Cousineau in Barry (2018), but lost to Ben Whishaw for A Very English Scandal (2018).
In 2006, he worked on Out of Practice (2005), which reunited him with former Happy Days (1974) co-star Marion Ross.
Credits Marion Ross as his favorite acting mentor/best friend.
Has highly praised Marion Ross for his stardom in acting.
As an actor, he was highly influenced by Marion Ross.
Actress Marion Ross took him under her wing, when Winkler was 27.
Best friend of Marion Ross and Tom Bosley. He referred to them as their parents, off- the set of Happy Days (1974).
Despite being good friends with Tom Bosley, and seeing it was for family only, he couldn't attend his funeral.
His acting mentor is Marion Ross.
Before he was a successful actor/director and producer, he was an extra on a game show in New York City, New York, receiving $10 for the role.
Had graduated from McBurney School, in Manhattan, New York, in 1963, at age 17. Winkler said he did not graduate with his class because of his learning disability and problems with a geometry class, which he finally passed after attending summer school.
Being relatively unfamiliar, Winkler had won the role away from Micky Dolenz as Arthur "Fonzie" Fonzarelli on Happy Days (1974). It was because producer Garry Marshall was looking for an actor, being short, who would more easily fit in the frame with his castmates.
His father, Harry Irving Winkler, passed away on December 7, 1995, almost 4 months after his Happy Days (1974) co-star's Marion Ross's real-life brother, Gordon Ross, who passed away August 16 of that same year.
His second cousin Gary Winkler keeps Alaskan Malamutes, Siberian Huskies and timber wolves whenever they are not being used for filming any cinematic and television production.