Murph

Murph the Mechanic maintains the Mystery Machine for the gang. When it started malfunctioning dangerously they suspected him of tampering with it, especially after he tried to buy it from them.

Season One
(It's Mean, It's Green, It's the Mystery Machine)

Appearances

 * What's New, Scooby-Doo? - It's Mean, It's Green, It's the Mystery Machine''