Publication Date: 8th Apr 2021 Written By: Monolith. Image Work: sixhoursoflucy. Vital Statistics Biography Issue Checklist Alternate Versions X-Men (1st series) #104 Mutant X door seen on Muir Island X-Men (1st series) #119 kills Angus MacWhirter off-panel X-Men (1st series) #125 first appearance X-Men (1st series) #127 merges with his father, Joe MacTaggert X-Men (1st series) #128 killed and dispersed by Colossus in his metal form New Mutants Annual #7 A.I.M. pays Harness and Piecemeal to collect Proteus’ energy Uncanny X-Men Annual #15 Proteus reforms through Piecemeal X-Factor Annual #6 Proteus commits suicide rather than continue existing in a world where he doesn't belong Exiles (1st series) #69 reincarnated in the House of M Exiles (1st series) #71 possesses the Exiles' Mimic, begins reality hopping Exiles (1st series) #72 abandons Mimic for Justice in the New Universe Exiles (1st series) #75 abandons Justice for Hulk 2099 Exiles (1st series) #77 sends Squadron Supreme against Exiles Exiles (1st series) #80 possesses Morph in Future Imperfect timeline Exiles (1st series) #82 behavior modifier machine brainwashes him into thinking he is Morph Exiles (1st series) #90 cracks in Morph personality begin to show New Exiles Annual #1 Proteus and Morph personalities become co-conscious and cooperative Exiles (2nd series) #6 Proteus separated from Morph by Crystal Palace X-Men Legacy (1st series) #231-233 Proteus reincarnated back on Earth-616 Astonishing X-Men (4th series) #1 Shadow King uses Proteus’ energies for himself Astonishing X-Men (4th series) #7 Proteus regains physical form Astonishing X-Men (4th series) #11 dispersed again by the X-Men House of X #5 joins the Resurrection Five, using Xavier clone bodies to satisfy his physical needs Marauders #18 blesses the opening of the Moira MacTaggert Memorial Hospital in Lowtown Vital Statistics Biography Issue Checklist Alternate Versions