Eobard Thawne, nicknamed theÂ*Reverse-FlashbyÂ*Cisco Ramon, is a villain from the future who traveled back into the past to killÂ*Barry Allen, although it is unclear if he intended to kill the adult Barry who was there or the young one. Under unknown circumstances, he ended up killing Nora Allen instead.
AssumingÂ*Harrison Wells'Â*identity, he forged a life for himself as a scientist atÂ*S.T.A.R. Labseventually becoming the Director and pushed through for the creation of aÂ*particle acceleratorto ensure that Barry Allen becomes the Flash and teach him to increase his speed so that he could return to his own time in the future.