The Moth is an enemy of Mermaid Man. Which Mermaid Man has been tracking the Moth down for 57 years. He appears in the episodes "Night Light", and as an action figure in "Mermaid Man Begins."
The Moth is muscular, and has red eyes. His head, arms, and legs are all green. His wings are light yellow and very large.
The Moth first appears in the episode "Night Light." He appears as the main antagonist of the episode. He also appears in "Mermaid Man Begins" as an action figure.