Anthony Martignetti, known for his iconic appearance in a 1969 commercial for Prince Spaghetti, passed away in his sleep overnight, his family announced Monday. “It is with a heavy and hurting heart that we announce to our family and friends that our brother Anthony J. Martignetti passed away suddenly in his sleep last night,” Andy Martignetti wrote in a statement on Facebook.

“None of us have accepted this yet and I don’t know when we will. RIP little brother, till we meet again, I love you.” Anthony Martingnetti was 63, according to The Boston Globe. The Boston resident was 12 years old when he was cast in the 1969 ad for Prince, which would go on to run for 13 years.