Superstar actor Jason Momoa (The Aquaman, Game of Thrones, Justice League, Batman v. Superman, etc. ) showed up at a gig of SLAYER and ANTHRAX in Budapest, Hungary and spent some time hanging out with both of the bands backstage.

Commenting on the experience, Momoa said, “It was one of the greatest shows of my life, a childhood dream SLAYER and ANTHRAX, my mind was blown meeting those idols and they’re fucking amazing. So thankful so grateful.”

Momoa shared a few photographs with his 12.4 million Instagram subscribers.