Siryn

## Theresa Rourke Cassidy / Siryn / Morrigan

* Amanda Sefton - they both fought in the Muir Island saga (U X-Men #278)
* Angel - they join forces against Proteus (X-Factor An. #6), battle on Muir Island (U X-Men #280) and X-Cutioner's Song (#295), but X-Force also briefly stay with the X-Men (X-Force #18-19)
* Arcade - X-Force took up residence in Arcade's Murderworld
* Artie Maddicks - they meet at the wedding of Jean and Scott (X-Men #2.30)
* Avalanche - Siryn watches a battle between Freedom Force and New Mutants on TV (X-Force #24)
* Banshee - her father whom she first meets in X-Men #148
* Beast - they join forces against Proteus (X-Factor An. #6), battle on Muir Island (U X-Men #280) and X-Cutioner's Song (#295), but X-Force also briefly stay with the X-Men (X-Force #18-19)
* Bishop - their two teams were opponents in X-Cutioner's Song (U X-Men #295), after which X-Force briefly stay with the X-Men (X-Force #18-19)
* Blob - *Enemy:* the Brotherhood of Mutants attacks X-Force (#7-8)
* Boom-Boom - members of X-Force together (from #3)
* Cable - members of X-Force together (from #3)
* Caliban - members of X-Force (from #44)
* Callisto - they must have met in the period where Callisto worked as bodyguard for Moira on Muir Isle (from X-Men #216)
* Cannonball - members of X-Force together (#3-44)
* Charles Xavier - they first meet at the X-Mansion in X-Men #148, but they battled on Muir Island (U X-Men #280) and in X-Cutioner's Song (#295)
* Colossus - they first meet at the X-Mansion in X-Men #148, but they battled on Muir Island (U X-Men #280) and in X-Cutioner's Song (#295), after which X-Force briefly stay with the X-Men (X-Force #18-19)
* Crystal - they meet at the wedding of Jean and Scott (X-Men #2.30)
* Cyclops - they join forces against Proteus (X-Factor An. #6), battle on Muir Island (U X-Men #280) and X-Cutioner's Song (#295), but X-Force also briefly stay with the X-Men (X-Force #18-19)
* Dazzler - they might have met when Dazzler stays on Muir Isle for a period (X-Men #216-221)
* Deadpool - Deadpool interferes in a Manhattan battle in X-Force #4
* Domino - Domino's imposter joins X-Force (until #15), then the real Domino (from #30)
* Emma Frost - they meet when X-Force visit the Massachussets academy (XF #42)
* Forge - they battled in the Saga of Muir Island (U X-Men #280)
* Gambit - they battled on Muir Island (U X-Men #280) and in X-Cutioner's Song (#295), after which X-Force briefly stay with the X-Men (X-Force #18-19)
* Havok - they might have met when Havok stays on Muir Isle for a period (X-Men #216-221), their two teams later were opponents in X-Cutioner's Song (#295)
* Henry Gyrich - X-Force liberate Gyrich from the Mutant Liberation Front on Magneto's old island (XF #28)
* Husk - X-Force goes to Kentucky and rescues young Paige from Fitzroy (X-Force #32-33)
* Iceman - they join forces against Proteus (X-Factor An. #6), battle on Muir Island (U X-Men #280) and X-Cutioner's Song (#295), but X-Force also briefly stay with the X-Men (X-Force #18-19)
* Jean Grey - they join forces against Proteus (X-Factor An. #6), battle on Muir Island (U X-Men #280) and X-Cutioner's Song (#295), but X-Force also briefly stay with the X-Men (X-Force #18-19)
* Jubilee - they battled on Muir Island (U X-Men #280) and in X-Cutioner's Song (#295), after which X-Force briefly stay with the X-Men (X-Force #18-19)
* Juggernaut - *Enemy:* they have a battle in X-Force #3
* Leech - they meet at the wedding of Jean and Scott (X-Men #2.30)
* Longshot - they might have met when he stays on Muir Isle for a period (X-Men #216-221)
* Luna Maximoff - they meet at the wedding of Jean and Scott (X-Men #2.30)
* Magik - they were both at the X-Mansion around X-Men #148, and probably reside together at Muir Isle
* Magma - *Enemy*: Amara battles X-Force in California as part of New Hellions (XF #88)
* Magneto - she hears Cannonball mention Magneto at the X-Mansion (X-Force #19)
* Mirage - *Enemy*: they fight over Henry Gyrich when Dani is member of MLF (X-Force #28) - *Ally*: members of X-Force
* Mister Sinister - Sinister has her DNA in his collection (X-Men #2.52)
* Moira MacTaggert - they first meet at the X-Mansion in X-Men #148, becomes mother figure
* Monet (impostor) - they meet when X-Force visit the Massachussets academy (XF #42)
* Multiple Man - they must know each other from Muir Island after Siryn was "adopted" (X-Men #148)
* Mystique - both were part of the Saga of Muir Island (X-Factor #69)
* Nightcrawler - they first meet at the X-Mansion in X-Men #148, again at the wedding of Jean and Scott (X-Men #2.30)
* Polaris - they battled on Muir Island (U X-Men #280) and in X-Cutioner's Song (#295)
* Psylocke - maybe met when Psylocke was on Muir Island for a period (X-Men #216-221), they battle there later (#280) and in X-Cutioner's Song (#295), after which X-Force briefly stay with the X-Men (X-Force #18-19)
* Pyro - *Enemy:* the Brotherhood of Mutants attacks X-Force (#7-8)
* Quicksilver - their two teams were opponents in X-Cutioner's Song (U X-Men #295)
* Rachel Summers - they meet at the wedding of Jean and Scott (X-Men #2.30)
* Rictor - members of X-Force (until #44)
* Rogue - maybe met when Psylocke stayed on Muir Island for a period (X-Men #216-221), they battle on Muir Island (#280) and in X-Cutioner's Song (#295), after which X-Force briefly stay with the X-Men (X-Force #18-19)
* Sauron - *Enemy:* the Brotherhood of Mutants attacks X-Force (#7-8)
* Selene - the X-Force members hear Magma talk of her past with Selene (XF #88)
* Shadowcat - they first meet at the X-Mansion in X-Men #148, again at the wedding of Jean and Scott (X-Men #2.30)
* Shatterstar - members of X-Force together (from #3)
* Spider-Man - they join forces (without meeting) in X-Force #3
* Spider-Woman (JD) - they meet at the X-Mansion in X-Men #148
* Storm - they first meet at the X-Mansion in X-Men #148, but they battled on Muir Island (U X-Men #280) and in X-Cutioner's Song (#295), after which X-Force briefly stay with the X-Men (X-Force #18-19)
* Strong Guy - they meet on Muir Island and in X-Cutioner's Song (U X-Men #278-295)
* Sunspot - members of X-Force
* Synch - they meet when X-Force visit the Massachussets academy (XF #42)
* The Thing - Impossible Man mentions Ben Grimm on Kali Island (X-Force and Cable An. '95)
* Toad - *Enemy:* the Brotherhood of Mutants attacks X-Force (#7-8)
* Trish Tilby - X-Force watches her show (X-Force #24)
* Valerie Cooper - their two teams were opponents in X-Cutioner's Song (U X-Men #295)
* Warpath - members of X-Force together (from #3)
* Wolfsbane - they meet at the wedding of Jean and Scott (X-Men #2.30)
* Wolverine - they first meet at the X-Mansion in X-Men #148, but they battled on Muir Island (U X-Men #280) and in X-Cutioner's Song (#295), after which X-Force briefly stay with the X-Men (X-Force #18-19)