The Dirty Bubble is a minor recurring character in the series Spongebob Squarepants. He is the number one archenemy of Mermaid Man and Barnacle Boy. He is a bubble who terrorizes citizens by swallowing them. He first appears in Mermaid Man & Barnacle Boy II when he meets Mermaid Man & Barnacle Boy and swallows them. Spongebob Squarepants pops him with a pencil, and saves them. He also appears in E.V.I.L. when Barnacle Boy joins the dark side with Man Ray. The Dirty Bubble is also heavily noted for his putrid breath, which he also uses to wreck havoc. He was voiced by Charles Nelson-Reilly until his death in 2007. Since then, he has been voice by Spongebob and Gary's voice actor Tom Kenny.