By Steven Gottlieb on December 21, 2017 @ 8:20pm PST | Comments (0) Mystery Skulls - Endlessly [Official Music Video] Video of Mystery Skulls - Endlessly [Official Music Video] The Sci-Fi Heavy Metal cartoon vibes are strong with this one. Mystery Skulls, Artist Endlessly, Song Double Ninja, Director Warner Bros., Label Agence Cumulus, Production Company Thomas Vernay, Executive Producer Devin Sarno, Commissioner Double Ninja, Art Director