[3] He is also known for his recurring role as Dorothy's son, Michael Zbornak, in a few episodes of the 1980s sitcom The Golden Girls.
Jacoby was born in the Chicago suburb of Skokie, Illinois, and his family moved to Queens in New York City when he was ten years old.
At the age of eleven, he was nominated for a Tony Award for his portrayal of Ally in the Broadway musical Golden Rainbow, which starred Steve Lawrence and Eydie Gormé, for the category Best Featured Actor in a Musical at the 22nd Tony Awards, held on April 21, 1968.
[4] He began his television career playing the role of "Hubcap", who was a friend of Josh Hall (Laurence Fishburne) on the ABC daytime soap opera One Life to Live.
In 2001, Jacoby co-directed Rage: 20 Years of Punk Rock West Coast Style.