Going up against The Flash leaves the Reverse-Flash in a bad spot, but another Arowverse hero does him even dirtier.

While The CW's Arrowverse gets a bad rap, it did right by the DC villains on this list and improved all of them.

From ancient threats to twisted doppelgangers, the DCU's rogues gallery is about to get interesting, and James Gunn shouldn't sleep on these villains.