Grishnackh, the Studio head, got his name from Count Grishnackh (Varg Vikernes) a member of black metal band Mayhem.
The Blood Ocean production company is called Behemoth Pictures, after the Polish blackened death metal band Behemoth.
Movie veteran J. F. Amarth is named after the Swedish viking-themed melodic death metal band Amon Amarth.
{Dethstars (#1.19)}
The katakana on Pickles's bandana in the movie reads "pikkurusu," the Japanese word for pickles.