Jason Momoa and Patrick Wilson are in Australia getting ready to shoot Aquaman. Wilson will play Aquaman’s brother Orm, also known as the villain Ocean Master.

Momoa just shared a picture of himself and Wilson on Instagram, and had some nice things to say about the project. “Arthur and King orm. My real half brother is on Twitter only @patrickwilson73 So so so so so Fucking happy to work with this talent. It’s honor to play Aquaman Aloha j,” he said.

Aquaman begins production in just a few weeks in Australia. The movie will be released on December 21, 2018.