Supernatural star Jensen Ackles has joined The Boys Season 3 as Soldier Boy, the first super.

Ackles made the announcement on Instagram with a sly video about his first post-Supernatural job. "I keep wondering what I'll do.... when Supernatural finally ends this year. Then it hit me," he captioned the post. In the video, he mugs for the camera and strokes his beard, until someone off-camera tosses him a volume of The Boys by Garth Ennis and Darick Robertson. When he flips the book open, "Soldier Boy" by Elvis Presley begins to play over the video and Ackles smiles directly at the camera.

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As suggested by the music, Ackles will indeed play Soldier Boy. According to the official character description, Solider Boy is "the original Superhero. After Soldier Boy fought in World War II, he became the first super celebrity, and a mainstay of American culture for decades."

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"When I was a child, I had a crazy, impossible dream -- to provide Jensen Ackles with gainful employment," The Boys showrunner Eric Kripke said in a statement. "I'm happy to say that dream has come true. Jensen is an amazing actor, an even better person, smells like warm chocolate chip cookies, and I consider him a brother. As Soldier Boy, the very first Superhero, he’ll bring so much humor, pathos, and danger to the role. I can't wait to be on set with him again, and bring a bit of Supernatural to The Boys."

Kripke, of course, created the long-running CW series Supernatural, which will come to a close later this year after 15 seasons. Ackles has played series lead Dean Winchester in every episode since the series premiered in 2005. Kripke, however, exited the show after bringing it to its intended close in Season 5. Ackles' new role in The Boys will reunite them on a project for the first time in nearly a decade.

Amazon Studios' The Boys stars Karl Urban as Billy Butcher, Jack Quaid as Hughie, Laz Alonso as Mother's Milk, Tomer Kapon as Frenchie, Karen Fukuhara as the Female, Erin Moriarty as Annie January, Chace Crawford as the Deep, Antony Starr as Homelander, Aya Cash as Stormfront and Simon Pegg as Hughie's dad. Season 2 premieres Sept. 4 on Amazon Prime Video.

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