El Diablo is a meta-human criminal who is obsessed with fire. It later caused the death of his wife and children.
He first appear among the Suicide Squad members presented by Amanda Waller to Harley Quinn. He followed the Batman copycat when he break them out.
When Batman's team enter Ra's al ghul's base he is ordored to destroy the exit.
Later when Blue Beetle enter the sanctuary and killed an animal that make Vixen mad he attack him but Blue Beetle shot him back killing him and making the sanctuary explode with all animal in it.