|This article belongs to the Mad Ben Timeline in the Classic Continuity.|
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Mad Rook is a formerly evil equivalent of Rook Blonko.
As a reflection of his formerly evil demeanor, Mad Rook spoke with contractions, a habit looked down upon by Revonnahganders of the Main Timeline. However, he displayed more conscience than Mad Ben, and recognized that their methods were too extreme. After helping overthrow Mad Ben, he took Ben Prime's suggestion and abandoned the use of contractions to appear as a dignified leader for the people.
Mad Rook was one of Mad Ben's enforcers in Benwood, and mistook Ben Tennyson for his master upon discovering him. He then escorted him and Ben 23 to a pit where Mad Ben's slaves were excavating Maltruant's key in order to restore his time-manipulating powers. When the real Mad Ben appeared, Mad Rook was made aware of the mistake and participated in attempting to restrain the alternate Bens. After Maltruant left the pair helpless and departed with his minions, Mad Rook was placed in charge of them and Dr. Psychobos, only for them to escape and steal his truck.
After seeing Mad Ben continue to push his slaves despite the absence of any known prize to be found, Mad Rook began to question his loyalty to the warlord. When the alternate Bens succeeded in defeating him, Mad Rook fitted Mad Ben with a cuff that blocked his access to his Power Watch. He then imprisoned Mad Ben with his other enforcers and Psychobos, and was entrusted by Ben Prime to watch over their world.