Credit: ABC/Getty Images

Actor Ken Weatherwax, who played Pugsley on The Addams Family series, has died.

His niece, Shanyn Vieira, confirmed on her Facebook page that Weatherwax died from a heart attack. He was 59.

After portraying the son of John Astin’s Gomez and Carolyn Jones’ Morticia Addams on the 1964-1966 Addams Family series, he lent his voice to the animated series in the mid-70s and later portrayed Pugsley Sr. in the TV movie Halloween with the New Addams Family.

According to TMZ, there will be two funerals—one for his family, another for his fans.