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The Riddler. The Cluemaster. The true dynamic duo. DETECTIVE COMICS #705, "Badd Girls," by Chuck Dixon, Graham Nolan, Gloria Vazquez, John Constanza, and guest inker, David Roach.
Riddler's women Echo and Query sprung Arthur "Cluemaster" Brown from prison while Riddler escaped from custody in a hospital. Nigma tied explosives to Cluemaster (whom he considered a faker) and told Batman where to find him. Batman had fifteen minutes to solve a batch of riddles or Brown exploded.