In the Rowdyruff Boys' self-titled debut episode, Mojo Jojo created them during a stay in prison. Desperate to find a way to create a power to equal to the Powerpuff Girls, Mojo Jojo placed an anonymous phone call to Professor Utonium, who was all too willing to tell "the stranger on the phone from Townsville Community College" his recipe for the girls' creation.

Finding the ingredients of sugar, spice, and everything nice "too girlish" for his needs, Mojo wanted something "tougher" and "more manly". So he made a few variations on the recipe with everything he needed available in prison: snips...