Description:  Tom Slick is the title character of a 1960s animated series about a freckled, all-American racecar driver who competes in various races with his car, the Thunderbolt Grease-Slapper. The car has the unique ability to transform into many different types of vehicles, such as a train, submarine, or hot air balloon. He is often accompanied by his girlfriend Marigold and his elderly mechanic Gertie Growler, and is frequently in competition with the villainous Baron Otto Matic and his sidekick Clutcher.

Protagonist: Tom Slick is a clean-cut, optimistic racecar driver.

Vehicle: The Thunderbolt Grease-Slapper is his car, which can transform into almost any other vehicle for a race. Supporting characters:

Marigold: Tom's girlfriend.

Gertie Growler: Tom's elderly mechanic.

Antagonists:

Baron Otto Matic: The evil, recurring antagonist.

Clutcher: The Baron's dim-witted lackey.

Plot: The series features Tom Slick competing in various races, often with the Baron trying to sabotage him. A running gag is the Grease-Slapper's ability to transform into the required vehicle for each race, often in a comical way.