Dr. Rudy is a doctor and a close "Black" friend to Glenn. He helped Glenn to sew his lost finger, after Glenn's finger was bit by Jesse. He appeared in the first episode of Glenn Martin DDS, Save the Tooth.
When Glenn said he'll see Dr. Rudy next time, Dr. Rudy won't see him, because he's going on a vacation with his wife. Then, he suffered from a heart attack and dies. The other doctors came to rescue him to eletric shocking him. Glenn begs to God for him to come back to life, Dr. Rudy came back to life and said, "Why do I smell like fried baloney?". Dr. Rudy is voiced by Phil LaMarr.