Caliban is a mutant in the X-Men series. Caliban was named by his father after the grotesque creature in Shakespeare's play, The Tempest. A mutant with the mental power to sense and detect other mutants nearby, Caliban helped Callisto assemble the underground society of mutant outcasts called the Morlocks to help Callisto assemble the. Before Caliban joined X-Force, Apocalypse vastly increased his size and strength and gave him the role of Death, one of Apocalypse's Four Horsemen. Caliban can psionically intensifies other's fears and can create a psychoactive virus that attacks the mind.

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