Celeste, Esme (deceased), Irma (aka "Mindee"), Phoebe, Sophie (deceased) (surname unrevealed)
Three-in-One, formerly Five-in-One
Place of Birth
New York City, New York
(Unidentified) New X-Men #118 (2001); (Esme & group identified) New X-Men #123 (2002); (Sophie identified) New X-Men #134 (2003); (Phoebe identified) New X-Men #149 (2004); (Celeste identified) New X-Men #153 (2004); (Mindee identified) New X-Men #156 (2004)
(all) 5' 6"
(all) 105 lbs.
(all) Blue; glowing white when using powers
The three remaining Cuckoos later resolved their differences with Emma, who subsequently became co-headmistress of the rebuilt Institute. The Cuckoos were placed into Cyclops' Corsairs squad, after which Mindee helped the blind X-Man Gambit defend the Institute from an attack by a reformed Brotherhood of Mutants. The Cuckoos then faced the return of Quire after a splintered Phoenix Force came to the Institute seeking Jean. Quire sought to resurrect his beloved Sophie and asked the Force for help. It restored her to life, but upon seeing Quire she chose to return to death. The Force departed after merging with Jean to search for its missing pieces, one of which later visited the Cuckoos. Recently, when the immovable mutant the Blob attacked the Institute, the Cuckoos were instrumental in his defeat by the students. During the mutant Scarlet Witch's reshaping of reality, the Cuckoos briefly became a quintet once more.After the effects of M-Day the trilets retained their powers and the small fragment of the phoenix force that came to one of the cuckoos, began to influence their behavior. Being manipulated by both the Phoenix and a man named John Sublime, the Cuckoos awoke their dead sisters and traveled to the World, a laboratory created by Weapon Plus, it was revealed that Emma Frost's ova was the genetic templates used to clone thousands of cuckoos. It was also revealed that the Phoenix fragment had manifested in order to destroy the Cuckoos clones to prevent them from being activated as a weapon and kill all mutants.