Martin Spivak

Dr. Martin "Marty" Spivak is a telemarketer for NeverBetter Insurance.

Personality
Martin likes his coffee black with five sugars.

Arthur

 * 801b. "Bitzi's Break-up"
 * 1105b. "Strangers on a Train"
 * 1501. "Fifteen"
 * "Buster Isn't Buying It"

Trivia

 * Even though Martin originally only existed in Buster's imagination, he has been seen in reality on multiple occasions since then.
 * CBBC spells his name as Martin Spivack in the closed captions for "Buster Isn't Buying It".