Disambiguation: Caitlin Snow
First published in: 2013
Killer Frost first appeared in shadow in The Fury of Firestorm: The Nuclear Man (DC, 2012 series) #18 (May 2013). She is first fully shown in issue #19 (June 2013). She changed her name to Frost in Justice League of America (DC, 2017 series) #1 (April 2017).