Real Name: Unknown

Current Group Affiliation: None

Former Group Affiliation: X-Force II, Morlocks, Horsemen of Apocalypse II-III, X-Factor II

1st Appearance: UNCANNY X-MEN#148 (1981)

Known Superhuman Powers: Caliban can track other mutants and has superhuman strength.

Other Aliases: Pestilence IV, Death IV, Hellhound I