Rook Blonko (voiced by Bumper Robinson) is Ben's new partner after Gwen and Kevin left the team, and one of the main characters in Ben 10: Omniverse. He is a Revonnahgander from the planet Revonnah. He was promoted to Magister in The Final Countdown.
Trivia[]
- Rook will meet Twilight and her friends in Twilight's Adventures of Ben 10: Omniverse. In the series he will become one of the Rainbooms' greatest allies.