Bob Kaufman

"Bart, this is Dr. Kaufman. He's a special kind of talking doctor."

- Marge Simpson

Dr. Bob Kaufman is a psychiatrist.

History
Marge had him come over to the Simpsons' house to see Bart when he was digging an uncontrollable hole in the backyard. Kaufman assessed that Bart was digging a hole to hide from angry people, to which Bart commented that Homer was always yelling that "whitey" is keeping him down.