Answer
Abe Vigoda played the character of Sal Tessio in the movie "The Godfather". Tessio was a loyal member of the Corleone crime family and a close friend of Vito Corleone, the family's patriarch. Tessio was instrumental in helping Corleone to take control of the New York underworld. However, Tessio eventually betrayed Corleone and sided with the rival Tattaglia family.