Peter Paul “Paulie Walnuts” Gualtieri is a one of the most interesting characters on the Sopranos television series. Paulie is one of the top advisers to the head of the family and is considered one of the most ruthless members. He is considered heartless and volatile which seem to make him a very effective enforcer. He is also part of the inner most circle and perhaps the most trustworthy of Tony Soprano’s crew. Paulie has long been known to desire to move up in the organization.