The actor who is known for his portrayal of Arnold Horshack in the popular series has passed away at the age of 63.
Ron Palillo, famous for playing Arnold Horshack in 1970s popular sitcom "Welcome Back, Kotter", has died on Tuesday, August 14 morning at his home near Palm Beach, Florida. TMZ reported that someone close to the 63-year-old actor said he suffered heart attack and it was very unexpected.
Palillo's longtime partner Joseph Gramm found his body at around 4 A.M. and immediately called ambulance. Palillo was rushed to the hospital in which he was pronounced dead. One of Palillo's colleagues at G-Star School of the Arts said the actor appeared to be in good health but he was a heavy smoker.
Sources told TMZ that Palillo was coughing a lot before his death and was scheduled to see a doctor the day he died.
Palillo's Horshack was known for calling out "Ooh ooh ooh, Mr. Kotter" on the show which also starred John Travolta. Fellow cast Robert Hegyes died in January this year at the age of 60.