Jack Tripper is a fictional character on the sitcom Three's Company, which is based upon the character Robin Tripp from Man About the House created by Brian Cooke and Johnnie Mortimer. Jack was played by the actor John Ritter.^[1][2][3]

Janet, another character in the show, reasoned with the landlord, Stanley Roper who lived downstairs and he agreed that Jack could stay because Janet told Mr. Roper that Jack was gay, without Jack's knowledge. Jack was, however, actually straight (the comedy stemming from having to "play gay" provided much of the story for the sitcom).^[4] Jack is something of a ladies' man, but is also kind-hearted, loyal, and protective of the girls.^[5]

In the show, Jack attended a local technical college on the G.I. Bill for a degree in culinary arts. He is a Navy veteran. After graduating from cooking school Jack held down odd jobs in his spare time.He got the chef job in Angelino’s restaurant Jack got his own restaurant when Angelina rented out his vacant building, instead of turning it into a parking lot. Jack named his new restaurant “Jacks bistro”. A name Mr Furley came up with. Jack serves his specialty which is French cuisine ^[3]