Mark is a friend of Speed Buggy, Tinker, and Debbie.
Physical appearance[]
Mark is tall, with dark hair. He wears a white pit-crew shirt with a vertical dark blue stripe on the right side, and blue slacks.
Personality[]
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Powers and abilities[]
He has auto-mechanic skills and he assisted Tinker in building Speed Buggy.
Crossovers[]
The New Scooby-Doo Movies[]
He appeared as one of the Guess Stars, That The Mystery Inc. Gang Encountered. Alongside his other friends Tinker, Speed Buggy and Debbie.