At San Diego Comic-Con, Rick Riordan announced that Daniel Diemer will portray Tyson, the cyclops half-brother of Percy Jackson, in Season 2 of Disney+'s 'Percy Jackson and the Olympians'. Diemer expressed his excitement about joining the series, highlighting his long-time fandom of the books. Tyson, characterized as a shy and endearing figure, is introduced in the second novel, 'The Sea of Monsters', which the upcoming season will adapt. The panel featured other cast members and co-showrunners, who shared insights into the show's production and teased the new season's direction. Diemer is known for his roles in 'The Half of It' and 'Under the Bridge', and his casting has been met with enthusiasm from fans and creators alike. The series follows the journey of Percy and his friends as they navigate the challenges of the mythological world.