>>149855637 (OP)
Judging by the options already given in the thread, there haven't been any.
>Hush
le evil childhood friend never mentioned until now. Hard carried by Heart of Hush and is shit just about everywhere else.
>Pyg
Even under Morrison he's just a cheesy B tier horror villain played straight.
>Black Glove
had MASSIVE potential as Gotham's evil Illuminati but Morrison didn't go hard enough with it and basically dropped them once Final Crisis hit
>Court of Owls
had a decent first story, the Owlman being his brother shit aside, and Snyder continuing to push them (with Calvin Rose's book, Batman Eternal, then basically Dick taking them back from Bruce) cemented them as the batfamily's/Gotham's evil illuminati instead of Black Glove. Problem is every story after their first has been shit, as even their appearance in rebirth Nightwing (their second best appearance) is more hard carried by Raptor
>Mister Bloom
Slenderman ripoff. Probably would've been a decent oneshot villain had it been a self contained mini instead of having to play with continuity.
>All of Tynion's garbage
Ghostmaker (downgraded to Catman's fuckbuddy)
Gardener (downgraded to Ivy's past fuckbuddy, clearly made because he couldn't use Ivy)
Punchline (has never had a good story despite the massive push compared to everybody else and clearly made because he couldn't use Harley)
Unsanity Collective & Miracle Molly (Anarky ripoff)
unironically most of them would've probably been more salvageable as Bludhaven/Nightwing villains, Miracle Molly/Unsanity Collective and Punchline in particular