Synch

Everett Thomas grew up as a straight-A student in St. Louis, Missouri before his mutant power first emerged. Soon after, Thomas was kidnapped by the techno-organic alien race the Phalanx, who were attempting to learn how to assimilate mutants into their collective, and had captured numerous young mutants. Thomas and his fellow captives were rescued thanks to the efforts of the team of superhuman mutant adventurers the X-Men. After their rescue, Thomas and the other young mutants became the founding members of Generation X, a new team of mutants enrolled in Xavier’s Xavier's School for Gifted Youngsters at the School’s branch in the re-opened Massachusetts Academy. Thomas was codenamed Synch as a result of his mutant ability.

Sometimes he had the ability to master another person's power quicker than they did. He was the friend & classmate of Jubilee & Monet St. Croix, both of whom had feelings for him. It's Monet who wins his affections and begins a relationship with him, being her first love.

Synch quickly became popular with his teammates, and formed particularly close bonds toJubilee and Skin, and later with M. Eager to learn more about his powers, he spent his time at the academy pushing himself as far as he could go, and often annoyed the others by using their powers better than they themselves could. Soon after, the team was attacked by the energy vampire known as Emplate, who transformed Synch into a creature like him that was forced to feed on the bone marrow of mutants for survival. Emplate teleported Synch to his home in St. Louis, where he attempted to turn his family into creatures like himself and Emplate. He was freed of Emplate’s influence by a combination of his own reluctance to bring harm to people he loves, and the assistance of his teammates Husk, M, and Jubilee.

Later, after Adrienne Frost, elder sister of Generation X’s former headmistress Emma Frost, incited a riot at the school, Synch sacrificed his life to save the students by attempting to disarm a bomb Adrienne had planted that subsequently exploded.

Synch was one of the earliest resurrected mutants by the hand of the Five, due to the fact that it was believed that his powers could enable him to act as a substitute for any of the Five who might need one. Skin was resurrected ahead of his scheduled time to serve as a companion for Synch, as they came from similar backgrounds and time periods.

Since they could survive the temporal changes of that place together, Synch, Darwin, and Wolverine (Laura) were picked to capture Serafina by entering The Vault, a place where anyone trapped inside could remain there for subjectively thousands of years. Unfortunately, as soon as the three entered the Vault, they lost touch with the X-Men.