DC’s HBO series Lanterns did it first, but the studio has another story of two superheroes who share the same name and job description in the works. Of course, it’s going to be quite a different telling of that tale. Dynamic Duo , which will pair two of Batman’s sidekick Robins, is a feature film, not a TV show—and it’s not live action, but cutting-edge puppetry . While we ponder just what that’s going to be like, we can add another voice to the mix: Mason Thames has come aboard to play Dick Grayson.

According to a Collider interview with Peter Safran, who runs DC Studios with James Gunn, the Black Phone and How to Train Your Dragon actor was very excited to join Dynamic Duo . Like, fanboy excited.

“We always talk about wanting volunteers and not recruits to be part of the DCU, to be part of DC Studios, and Mason always wanted to be Dick Grayson. He just did,” Safran said, calling Thames’ audition “awesome.”

“He’s a wonderful young actor, but boy, did he want this. He was just obsessed.…