Rocksteady chief Sefton Hill could give The Scarecrow a run for his money.
Check out our Batman: Arkham City review to get
the CVG verdict.
Okay, so he might not possess fear-inducing toxins to blow down our pipes - or, thankfully, the twisted mind of Dr. Crane. But he sure knows how to leave us a psychological wreck.
With The Joker, The Riddler, Poison Ivy, Harley Quinn, Two-Face, Catwoman, Hugo Strange, The Penguin and more confirmed before E3, we thought we had Arkham City pretty much sussed.
Then Sefton dropped the big one: we were about as clued up as gormless ol' Harv Bullock.
According to Hill, most of the revelations we know about arrive in the first couple of hours of the game. There are an Axis vat-full of secrets yet to uncover.
And even with rumours surrounding the appearance of Mr Freeze, Talia al Ghul, Zsasz, Calendar Man and Black Mask, we're still greedy for more.
So here, dear readers, are the Batman baddies we'd love to discover on our crusade around Gotham. Don't forget your Batarang - this could get messy...
The image of a vulnerable young girl twisting a video game scenario into dark territory is still used sparingly. Aside from the likes of F.E.A.R, Silent Hill and, of course, BioShock, few developers seem comfortable placing a morally dubious female child in a predominantly adult male's world.
But Rocksteady's take on the Batman licence so far has hardly been marked by emotional conservatism (resurrected dead parents, anyone?). And in Baby Doll, they've been given a brilliantly beserk gift.
A washed-up female actor who turned to crime, Marion Louise Dahl was born with a rare genetic disease which kept her from showing signs of ageing. Throughout her time as a Batman villain, she relies on her child-like feebleness to draw the sympathy of her victims - before unleashing her goons. She even affects an infantile tone of voice to elicit wobbly-lipped weakness in her targets.
If Bats was to crash into a light-starved corner of Arkham City, only to be greeted by a weeping, timid girl, the stage would be set for some rather messed-up table turning.
Baby Doll was a creation made for The Animated Series - in which her very adult depression was exposed in a classic episode. Her creator? One Paul Dini - the man behind Arkham Asylum and Arkham City's story.
Arkham Asylum's Scarecrow sections broke up Rocksteady's action sneak-a-thon a treat. Having to snappily move Bats between ever-shifting walls and avoid the mutated Dr. Crane's gaze represented a nice change of pace from the game's more thoughtful / grapple-reliant sections.
Deadshot, the hired assassin sniper who boasts that he will "never miss", could offer similar refreshment to Arkham City's more expansive, tactical stages.
First appearing in the 59th issue of DC's Batman (1950), he carries a (usually) red sight marker on his right eye - which would offer a handy moving threat to avoid.
As shown in recent (and excellent) vignette collection Batman: Gotham Knight, Deadshot also offers an interesting counterpoint to Bruce Wayne - the battle of a man who refuses to handle a fatal weapon against one whose very character relies on it.