The exact identity of this producer is unknown but the name is in reference to the Pokémon video game series. HM Surf is a character inside of the Pokémon universe appearing in the Emerald and Red Series.

HM Surf’s debut song is on Ugly God’s Booty Tape. Ugly God has not been shy to reference his love for Pokémon on many occasions including making various Pokémon creatures his profile pictures on various social media sites. He even discussed his love for the video game series.

Ugly God Explains How Pokémon Influences His Style

—
Genius

But not Pokémon Go!