Caliban

* Alex Power - Power Pack save Caliban from the Mutant Massacre (#27)
* Amanda Sefton - both were in the Alley in X-Men #179 although maybe they did not meet
* Angel - *Ally:* Caliban helped the X-Men in the Alley (#169), later Caliban becomes trainee in X-Factor after both were saved from the Mutant Massacre (X-Factor #11) - *Enemy:* they battle when Caliban is one of the Horsemen (XF #53, XM #294), again in the Apocalypse Twelve event (#377-379)
* Apocalypse - *Enemy:* Caliban battles against the horsemen (X-Factor #19) - *Ally:* Caliban chooses to become horseman himself (XF #24-51)
* Artie Maddicks - first meet in the Alley (X-Factor #9), Artie was a trainee in X-Factor when Caliban was there. Nickname: "Big Eyes" (#10)
* Beast - *Ally:* - Caliban becomes trainee in X-Factor after being saved from the Mutant Massacre (Power Pack #27) - *Enemy:* they battle when Caliban is one of the Horsemen (X-Men #294) and again in the Apocalypse Twelve event (#377-379)
* Bishop - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Boom-Boom - she was trainee when Caliban was in X-Factor (from #12), later members of X-Force (from #44)
* Cable - *Ally*: Caliban heard about baby Nathan when he was in X-Factor (e.g. issue 18), they clash in the Morlock tunnels (New Mutants # 91), later members of X-Force (from #44) - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Callisto - Callisto was his leader in the Morlocks since before X-Men #169
* Cannonball - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191), they clash in the Morlock tunnels (New Mutants # 91), later they go hiking in the Canadian Rockies (Wolverine #96), and work together in the ruins of Murderworld (Cable #21)
* Captain America - they join forces to end the spell that Kulan Gath put on New York (X-Men #191)
* Charles Xavier - Caliban first hears about Xavier from Storm (X-Men #170), both were in the Alley in #179, they join forces against Kulan Gath (#191), and X-Force reside in the mansion (from XF #44)
* Colossus - *Ally:* Caliban helped the X-Men in the Alley (#169) and in Central Park (#208) - *Enemy:* they battle when Caliban is one of the Horsemen (U X-Men #294), again in the Apocalypse Twelve event (X-Men #377-379)
* Cyclops - *Ally*: Caliban becomes trainee in X-Factor after being saved from the Mutant Massacre (Power Pack #27), later as member of X-Force Caliban resides in the X-mansion (from XF #44) - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Dazzler - Caliban first appeared at a Dazzler concert in X-Men #148
* Doctor Strange - they join forces to end the spell that Kulan Gath put on New York (X-Men #191)
* Domino - members of X-Force (from #44). Nickname: Patch-eye (#44)
* Franklin Richards - Franklin and Power Pack save Caliban from the Mutant Massacre (#27)
* Gambit - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* High Evolutionary - Caliban guides Apocalypse to the hidden base of the Evolutionary (X-Factor An. #3)
* Iceman - *Ally:* Caliban becomes trainee in X-Factor after being saved from the Mutant Massacre (Power Pack #27) - *Enemy:* they battle when Caliban is one of the Horsemen (U X-Men #294)
* Jack Power - Power Pack save Caliban from the Mutant Massacre (#27)
* Jean Grey - *Ally*: Caliban becomes trainee in X-Factor after being saved from the Mutant Massacre (Power Pack #27), and also X-Force reside in the mansion (from XF #44) - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Jubilee - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Julie Power - Power Pack save Caliban from the Mutant Massacre (#27)
* Katie Power - Power Pack save Caliban from the Mutant Massacre (#27)
* Leech - they were in Morlocks (from before X-Men #179), and both stay with X-Factor after being saved from the Mutants Massacre (Power Pack #27)
* Loki - they clash in Himalaya when Loki attempts to recruit Apocalypse for Acts of Vengeance (X-Factor #50)
* Madelyne Pryor - Caliban heard her when he was in X-Factor (e.g. issue 18)
* Magik - both were in the Alley in X-Men #179, and they join forces to end the spell that Kulan Gath put on New York (#191)
* Magma - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191)
* Magneto - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Marrow - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Mirage - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191)
* Mister Sinister - they maybe cross paths in X-Cutioner's Song (U X-Men #294-295)
* Nightcrawler - *Ally*: Caliban helped the X-Men in the Alley (#169) and in Central Park (#208) - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Polaris - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Psylocke - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Quicksilver - *Enemy:* they battle when Caliban is one of the Horsemen (U X-Men #294)
* Rachel Summers - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191), and they are both involved in the battle in Central Park (#208)
* Rictor - became trainee when Caliban was in X-Factor
* Rogue - *Ally*: they met at Kitty and Caliban's "wedding" (X-Men #179), and Caliban helps X-Men in the big Central Park battle (#208) - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* Sabretooth - *Enemy:* Sabretooth tries to kill him (X-Factor #10), later Caleban seeks him out (#51) and they battle over Rictor (New Mutants #91). Nickname: "Butcher of Your Own Kind" (NM #91)
* Scarlet Witch - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191)
* Sebastian Shaw - both are involved in the Central Park battle against Nimrod (X-Men #208)
* Selene - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191), and both are involved in the Central Park battle against Nimrod (#208)
* Shadowcat - they clashed at a Dazzler concert (X-Men #148), but he saved her from Callisto (#169) and since then has loved her. They almost got married (#179) - *Enemy*: adversaries in the Apocalypse Twelve event (#377-379). Nicknames: "Spritechild" (XM #169, 170), "Kittypryde" (#169-179)
* Shatterstar - members of X-Force (from #44)
* Siryn - members of X-Force (from #44)
* Spider-Man - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191)
* Spider-Woman (JD) - they clashed at a Dazzler concert in X-Men #148
* Starfox - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191)
* Storm - *Ally:* they first clashed at a Dazzler concert in X-Men #148, but Caliban helped the X-Men in the Alley (#169) and several times later, and they go hiking in the Canadian Rockies together (Wolverine #96) - *Enemy:* they battle when Caliban is one of the Horsemen (X-Men #294), again in the Apocalypse Twelve event (#377-379)
* Sunspot - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191), they clash in the Morlock tunnels (New Mutants # 91), later members of X-Force (from #44)
* Tessa - both are involved in the Central Park battle against Nimrod (X-Men #208)
* The Thing - Impossible Man mentions Ben Grimm on Kali Island (X-Force and Cable An. '95)
* Trish Tilby - Caliban sees her at Angel's funeral (X-Factor #17), and she is on the spot reporting when he battles the Horsemen (#19)
* Vision - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191)
* Warlock - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191), later they clash in the Morlock tunnels (New Mutants # 91)
* Warpath - members of X-Force (from #44)
* Wasp - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191)
* Wolfsbane - Caliban remembers the battles in the New York that Kulan Gath created (X-Men #191), later they clash in the Morlock tunnels (New Mutants # 91)
* Wolverine - they met at Kitty and Caliban's "wedding" (X-Men #179), and Caliban helped X-Men in Central Park (#208), later they go hiking in the Canadian Rockies together (Wolverine #96) - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)
* X-Man - *Enemy*: adversaries in the Apocalypse Twelve event (X-Men #377-379)