Hesh Rabkin, "the old fucking Jew" as Tony liked to call him. He is by far one of my favorite characters in the entire show. Jerry Adler is a great actor period, but especially in The Sopranos. I really hope he comes back in this season, because he was excellent in the preceding seasons, especially the episode with Massive Genius "A Hit is a Hit" in Season 1. Come back Hesh!