There are the five members of the Crime Syndicate Of America headlining the Forever Evil series, that you know.
Johnny Quick to counter The Flash
Power Ring (via Volthoom) to counter Green Lantern
Superwoman to counter Wonder Woman
Ultraman to counter Superman
Owlman to counter Batman.
And there are four more.
Sea King to counter Aquaman.
The Grid to counter Cyborg
Atomique to counter The Atom
Deathstorm to counter Firestorm
And one more… that even I can’t unravel yet.
And the Thomas Wayne Owlman is the character who both has a vested interest in Dick Grayson, but also not letting him die…