Eddie Thawne was a police detective of the Keystone City Police Department until he transferred to Central City Police Department. He was the partner of Joe West, the fiancé of Iris West, a good friend of Barry Allen, and an ancestor of Eobard Thawne. Nicknamed "Detective Pretty Boy" by Joe, he was one of the first police officers in the CCPD to discover of the existence of meta-humans - second only to Joe - and eventually learned of Barry's secret identity as the Flash
