Fin the Merman

Finn the Merman is one of several timeless icons (and trademarks) of the Grindylow's franchise. He often stars opposite Grinda the Mermaid and Hushpuppy.

Fin the Merman Concept by Sarah Scott (Maroonz)

Conceptually, Finn is a combination of Johnny Bravo with 1970's Sea Monkey comic book advertising, applied to a seafood chain.