Hard Rock, a former lackey of the Plutarkians who is now reformed, is manipulated into helping Limburger exterminate the Biker Mice when he holds his girlfriend Darla hostage.
This episode contains examples of
- Amazing Technicolor Population: Hard Rock has green skin, while his girlfriend Darla's skin is colored blue.
- Embarrassing First Name: According to Darla, Hard Rock's real name is Booboo. Throttle, Vinnie, and Modo waste no opportunity in making fun of him for it.
- I Lied: Limburger gets Hard Rock to work for him by promising to let Darla go. When Hard Rock points out this promise, Limburger has this to say.Limburger: If my word was worth anything, then I wouldn't be much of a villain, would I?
- Musical Assassin: Throttle narrates a flashback that depicts Hard Rock using his guitar to level entire cities on Mars.
