Professor Utonium

Professor Utonium is the creator of the title protagonists of "The Powerpuff Girls". He is a scientist who acts as a father figure to Blossom, Bubbles and Buttercup. He created them just to become heroes. He is voiced by Tom Kane.

In Powerpuff Girl Z, he has a son. At the final episode, he thought the Powerpuff Girl Z will lose their powers after defeating HIM, but he was wrong when the Powerpuff Girl Z showen that they still have their powers.