The Moth is one of Mermaid Man's arch-nemeses whom he has been tracking down for 57 years. He first appears in the episode "Night Light" and is voiced by Mark Hamill.


He is muscular, has a light brown body, a pale-green head, dark orange antennae, pale-green hands, giant light yellow wings, and red eyes. He wears a pale-green speedo.

The Moth is an underwater, small, miniature insect who wears a typical superhero suit but is a villainous bug.

Role in episode

"Night Light"

He is attracted to all of the light given off at SpongeBob's house, especially the lighthouse. SpongeBob traps him inside said lighthouse, but he escapes by carrying it inside the cage, and he flies away.

"Mermaid Man Begins"

He appears as one of the Mermaid Man and Barnacle Boy action figures owned by SpongeBob.

"Squid Noir"

He once again appears as an action figure on a display inside of Near Mint Comic Books.

"Appointment TV"

He, along with Man Ray, the Sinister Slug, and the Dirty Bubble, are seen ganging up on Mermaid Man on the poster for the lost episode "The Case of the Curious Cliffhanger."

"Swamp Mates"

Two action figures of him are seen, with one belonging to Bubble Bass and the other to Hoodoo Guru.


  • Due to his voice being provided by Mark Hamill, he sounds a bit like Hamill's other famous role, The Joker from Batman: The Animated Series.
  • He resembles the famed monster Mothman, with wings and red eyes.
  • The Moth looks similar to Superman and the Owlman.
  • He is able to breathe underwater despite not wearing a diving suit.
Mermaid Man and Barnacle Boy (VE)
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