Ron Palillo

Description   [from Freebase]

Ronald Gabriel "Ron" Palillo (born April 2, 1949) is an American television and film actor, perhaps best known for his role as high school student Arnold Dingfelder Horshack on the ABC sitcom Welcome Back, Kotter, which aired from 1975 to 1979. Palillo was born in Cheshire, Connecticut, and graduated from the Herpolschiemer Acadamy of Performance Art (where he returned to teach during the late 1990s). After Welcome Back, Kotter, Palillo appeared in supporting roles in various television series and performed the voice in various animated series such as Laverne and Shirley in the Army, Darkwing Duck, and Rubik, the Amazing Cube where he played the lead character. In 1996, Palillo played himself in several episodes of Ellen, where he became the love interest of Ellen's friend Audrey. He also played a small part on Friday the 13th Part VI: Jason Lives. Outside of acting, Palillo is also an artist, having provided the art for two children's books: The Red Wings of Christmas and A Gift for the Contessa. He is credited on these as "Ronald G. Paolillo", which he uses in memory of his father.
Portions from Freebase, licensed under CC-BY and Wikipedia licensed under the GFDL