Dr. Caitlin "Cait" Snow is a former scientist at Mercury Labs and a former bio-engineer at S.T.A.R. Labs. She was working during the particle accelerator disaster and tended to Barry Allen during his coma with Cisco Ramon until he woke up. After he began his crusade as "The Flash" Caitlin became a member of his team with Cisco and Dr. Harrison Wells, before discovering his true identity as Eobard Thawne, and provides medical support for the team. Caitlin is also the wife of the late Ronnie Raymond, and is close friends with Cisco, Barry and Felicity Smoak. She is also the former lover of "Jay Garrick", before discovering his true identity as Hunter Zolomon and the former girlfriend of Julian Albert.