Charles Nelson Reilly was the original voice actor of Dirty Bubble. In the first season, he voiced Dirty Bubble in his debut episode 'Mermaid Man and Barnacle Boy II.' Charles also voiced Dirty Bubble in the video game Lights, Camera, Pants! However, after Charles died on 25th May 2007, Thomas James 'Tom' Kenny became the voice actor of Dirty Bubble. He voiced Dirty Bubble in the episode 'Mermaid Man and Barnacle Boy V' and still voices Dirty Bubble to date.