Add Yahoo as a preferred source to see more of our stories on Google. With The Flash film finally upon us, positioning Barry Allen as the fastest hero on the silver screen, it has us wondering. Who is ...

It’s a long-standing comic book trope. The iconic hero and their “dark doppelgänger” villain. Superman has Bizarro. Spider-Man has Venom. Green Lantern has Sinestro. The list goes on. But no character ...