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.

Plenty of DC Comics villains have come to life in movies and TV shows, but to see how truly scary 10 villains are, one must look to the comics.