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
Insert details here.
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.