Caitlin snow / killer frost

== Dr. Caitlin "Cait" Snow, also known as Killer Frost, is a bio-engineer at S.T.A.R. Labs and an original member of Team Flash. Caitlin helps The Flash from in S.T.A.R. Labs via wireless communication. She was recruited into the S.T.A.R. Labs team by Eobard Thawne, posing as Harrison Wells. Her, then, fiancé Ronnie Raymond was also recruited by him. ==

== After Barry created and tried to restore the Flashpoint Timeline, he slightly altered the official timeline. In the altered timeline Caitlin did get affected by the particle acceleratorexplosion and gets the powers of her Earth-2 doppelgänger, Killer Frost. She didn't get affected by any dark matter in the previous timeline. ==