I can assure you he DOESN'T have horns into his skull for real.

Well, they're in every picture on their Instagram page going back several years.

If they aren't permanent (and yes, horns do exist in the body mod scene), he's awfully dedicated to a stupid-ass look that doesn't even fit in with the band's identity. Their corpse paint days were terrible enough, but at least you could take that as a joke.