|Cartoon debut||"Bitzi's Break-up"|
|Voiced by||Terrence Scammell (s8)|
Jamie Watson (s19)
Dr. Martin Spivak is a forensic speculographist who was the host of the television show The Factoid Front.
- When Arthur wondered if Buster's mom would start dating again after her breakup with Harry, Buster imagined Martin as the new boyfriend. Picturing him as an unenthusiastic person with a boring job, Buster declared that he hated Martin Spivak.
- Sue Ellen imagined that the ghost of the Crown City Star was bothered by a young man's loud music in the 1980's. Martin Spivak, who was sitting behind the young man, was equally annoyed.
Martin likes his coffee black with five sugars. While on the phone with a client, he referred to himself as "Marty Spivak".
(bold indicates a speaking role)
- 801b. "Bitzi's Break-up"
- 1105b. "Strangers on a Train"
- 1501. "Fifteen"
- 1905a. "Buster Isn't Buying It"
- 2007a. "The Hallway Minotaur"
- CBBC spells his name as Martin Spivack in the closed captions for "Buster Isn't Buying It".