Leonard Schultz is the father of Davey Schultz. He is retired from the ring, as it was not violent enough for him. He is now a butcher, with Becky being one of his customers. He first appears in "The Bicycle Thief", seeking Jesse because he stole his son's bike.
Leonard sit on the couch with Jesse and Joey
Leonard Schultz realizes that Jesse was the one who stole his kid's bike and proceeds to throw him over his shoulder
Leonard seeing that Michelle's bike was at Derek's house