T-Bob as a figure, from the T-Bob Adventure Pack toy
SPECIES Robot
PHOTO T-Bob Adventure Pack

ENCYCLOPEDIA / CHARACTERS

ROBOT - M.A.S.K. (TRAKKER HOUSEHOLD)

T-Bob

T-Bob is the cowardly robot companion of Scott Trakker in the 1985 DIC cartoon, voiced by Graeme McKenna. He tells bad jokes, panics easily, and turns into a motorcycle-style vehicle that Scott keeps fitting with new gadgets.

SPECIES Robot
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Bio

T-Bob is the cowardly robot companion of Scott Trakker in the 1985 DIC cartoon, voiced by Graeme McKenna. He tells bad jokes, panics easily, and turns into a motorcycle-style vehicle that Scott keeps fitting with new gadgets.

T-Bob is the robot who lives with Scott Trakker and tags along on the team’s business. Graeme McKenna voices him in the DIC cartoon, in the same cast that includes Brad Turner, Calhoun Burns and Julio Lopez. The character is written as cowardly, prone to bad jokes, and quick to be scared.

Reference lists say he converts into a vehicle: a three-wheel scooter in one description, and a single-wheeler in the cartoon. A fan write-up of the series describes a motorcycle mode and records the add-ons Scott gives him: an air boat fan whose pontoons retract so he can go back to motorcycle mode, a paddle wheel and skis for water, a hydrofoil board from his lower torso, a snow thrower, a camera and a Goop Gun. The same write-up notes that T-Bob grumbles that the Goop Gun never worked properly, and that he was unhappy at being stuck with the snow-thrower attachments in Acapulco.

The name is said to stand for Thingamabob in a UK Fleetway comic. Treat that as the comic’s explanation, not the cartoon’s.

In the story, T-Bob is the comic relief and a tool for Scott. He has no mask. In Fog on Boulder Hill he is locked out of the station during the battle and later sent to find and secure the printing plates hidden in a car. One account says Scott built him, which fits how the cartoon treats the two as a team, but the fan write-up does not confirm it.

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Common questions

Which toys include T-Bob?
Kenner sold T-Bob and Scott Trakker together on a card in 1986. The Loyal Subjects revival has one set with the robot, the magenta Mobile Defense Unit from San Diego Comic-Con 2025, which also holds Matt Trakker, Bruce Sato and Scott. That set is linked below.
Who voices T-Bob?
Graeme McKenna voices him in the DIC cartoon. He also voices Brad Turner, Calhoun Burns and Julio Lopez.
What does T-Bob stand for?
A UK Fleetway comic says it is short for Thingamabob. The cartoon does not give that explanation in the episodes we checked, so treat it as the comic's answer.
Who built T-Bob?
Sources disagree. The M.A.S.K. wiki and Wikipedia say Scott built him, and the wiki says the animated series states it. The wiki also notes a UK comics letters page that credits Alex Sector. None of the 55 episode transcripts we checked says either, so it remains unconfirmed here.
What does T-Bob turn into?
Sources split here too. Wikipedia describes a three-wheel scooter for the toy and a single-wheeler in the cartoon. A fan write-up calls the cartoon form a motorcycle.

Sources: List of M.A.S.K. toys and characters (Wikipedia), The Best of the 1980s: M.A.S.K. (Fandom), M.A.S.K. cartoon information and voice cast (matt-trakker.com), T-Bob, Cartoon Fun Facts (maskforce.com), T-Bob (M.A.S.K. Wiki, Fandom), Stone Trees (M.A.S.K. Wiki, Fandom)

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Related Characters

T-Bob Toys

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3 toys tied to T-Bob. The full Kenner and Hasbro list is in the toy archive.

Mobile Defense Unit SDCC 2025 Exclusive The

The Loyal Subjects

Mobile Defense Unit SDCC 2025 Exclusive

The Loyal Subjects M.A.S.K. (2025)

T-Bob Adventure Pack Kenner

Kenner

T-Bob Adventure Pack

Kenner Adventure Packs (1986)

Wave 1 Vehicle Bundle The

The Loyal Subjects

Wave 1 Vehicle Bundle

The Loyal Subjects M.A.S.K. (2025)

Retailer links on this page are paid links.

Episode Appearances

All appearances →