The life of a supervillain isn’t easy, and sometimes you’ll end up dead. Many of these villains died to pave the way for ...

There are several characters across the DC multiverse who have used the name Killer Frost. Most of them have been villains, but the current one in the comics, Caitlin Snow, reformed to become a hero.

The first Killer Frost, Crystal Frost, first appeared in 1978’s Firestorm #3. A aspiring scientist, Crystal had an unreciprocated crush on Professor Martin Stein. She acquired heat-draining powers ...