Mermaid Man is a character from the popular cartoon series Spongebob Squarepants. He is a retired superhero living in a retirement home with his sidekick, Barnacle Boy. Mermaid Man is known for his red cape, blue costume, and ocean-themed belt buckle.

Barnacle Boy is Mermaid Man’s trusty sidekick who lives alongside him in a retirement home under the sea. Barnacle Boy is known for his blue costume, red scarf, and white sailor hat.

Check out our complete Mermaid Man and Barnacle Boy costume guides.

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