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Having spent decades on Earth, Rook has come to fully understand slang, metaphors, and sarcasm. He has also developed a noticeable sense of humor, regularly pretending to still not understand metaphors in front of Ben 10,000 as a joke.
In The End of an Era, Max retired and Rook has taken his place as Magistratus.
Powers and Abilities
As Magistratus, Rook has the final say in all matters in the organization and every Plumber is answerable to him.
Ben 10: Omniverse
- The End of an Era (first appearance)