From PBM Express. Introducing an unfortunate victim of the Shredder's criminal mutant experiments: Rocksteady! Along with Bebop, Rocksteady was recruited by the nefarious Shredder to strengthen the foot clan and defeat the turtles for good. After Shredder's mutation process, Rocksteady was reborn as the monstrous half-Rhino audiences loved to hate.... And in some cases, just loved! Lurking above the turtles' sewer lair, Rocksteady is ready to rumble with his gun and grenades. Will he ever get revenge on the TMNT brothers?
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