The Flash - | Season 9

The series' final four episodes focus on the return of Eddie Thawne (Rick Cosnett), who is resurrected as the avatar of the Negative Speed Force . Now calling himself Cobalt Blue , he gathers a "murderer's row" of speedster villains—including Reverse-Flash, Zoom, Savitar, and Godspeed—for one last assault on the timeline. Key Cast and Returning Characters