Bartók's official appearance. :D
HUNGARIAN BATS FTW.
(The other one was his early concept. :B Don't worry, he will still wear his Night-vision goggles. XD)

Infos... I wrote them on my DA. :D
(I AM LAZY NOW FFFF)

... He's Ludwig's slav... I MEAN, engineer. Also, he's a Vampire Bat. They're pretty much of the same age, maybe zhe batty is 2 years younger.

Sly Cooper © Sucker Punch
Bartók Kovalszky, Ludwig and so on © me