TV's Frank and Dr. Forrester
The Mads is the term the Satellite of Love crew members use to collectively describe their mad scientist captors. The Mads can be roughly divided into seven configurations (with a few extra additions due to circumstances) based around the central Mads present at the time:
Principals
Category:Season K and Season 1
- Dr. Clayton Forrester
- TV's Frank
Mystery Science Theater 3000: The Movie

Professor Bobo, Brain Guy and Pearl Forrester.
- Dr. Clayton Forrester
- Dr. Clayton Forrester
- Pearl Forrester
- Pearl Forrester
- Professor Bobo
- Brain Guy
- Kinga Forrester
- Max (A.K.A. TV's Son of TV's Frank)
Mystery Science Theater 3000 Live - The Watch Out for Snakes! Tour
- Kinga Forrester (recording)
- Max (recording)
- Synthia
Mystery Science Theater 3000 Live - 30th Anniversary Tour
- Synthia

Kinga Forrester and Max
Mystery Science Theater 3000 Live - The Great Cheesy Movie Circus Tour
The MST3K LIVE Social Distancing Riff-Along Special
- Mega-Synthia
Secondary
- Gerry and Sylvia (Seasons 2 and 3)
- Dr. Peanut (Season 8)
- The Observers (Season 8)
- Ardy (Seasons 11 - 12)
- The Skeleton Crew (Seasons 11 - 12)
- Dr. Donna St. Phibes (Season 12)
- Bonesy (Season 12)
Mirror Universe
Notes
- While other characters such as The Space Children, the Ancient Romans, or the members of the Observers Hivemind interact with the Mads, they would not qualify as Mads themselves since they have no interest in or involvement with the Mads' experiment.
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Principal | Dr. Clayton Forrester • Dr. Laurence Erhardt • TV's Frank • Pearl Forrester • Professor Bobo • Brain Guy • Kinga Forrester • Max • Mega-Synthia | |||||
Secondary | Gerry and Sylvia • Dr. Peanut • The Observers • Synthia • Ardy • Skeleton Crew • Dr. Donna St. Phibes • Bonesy | |||||
Mirror Universe | Mike Nelson • Crow T. Robot • Tom Servo • Gypsy | |||||
Locations | Gizmonic Institute • Deep 13 • Deep Ape • The Widowmaker • Ancient Rome • Castle Forrester • Moon 13 • Moon 1 | |||||