Cicada was David Hersch, an enemy of The Flash. Hersch had been struck by lightning and given immortality. Over the subsequent years, he operated as a cult leader, accumulating many followers. His goal was to collect energy by killing people and drained their energy with a lightning-shaped dagger to resurrect his wife; Elizabeth Hersch. Cicada was created by Geoff Johns and Scott Kolins, first appearing in The Flash (Volume 2) #170. (2001)
Arrowverse