Joseph Jason Namakaeha Momoa is an American actor, model, director, writer, and producer. He's also known for his roles as Aquaman, Ronon Dex in Stargate: Atlantis, and Duncan Idaho in Dune. Momoa has also appeared in Baywatch, The Red Road, and Frontier. In 2026, he'll play Lobo in the DC Universe movie Supergirl: Woman of Tomorrow. Momoa is also involved in environmental and philanthropic causes.