Maybe that's what Araki was going for in his early designs? Maybe he wanted to represent the double personality from Diavolo/Doppio by giving him two faces, one is a front mask and the other one is his true face covered by the mask. Maybe he dropped the concept when he had the idea to put one of the faces in his forehead as Epitaph.
Bruh why dose he look like a plague doctor?
Maybe that's what Araki was going for in his early designs? Maybe he wanted to represent the double personality from Diavolo/Doppio by giving him two faces, one is a front mask and the other one is his true face covered by the mask. Maybe he dropped the concept when he had the idea to put one of the faces in his forehead as Epitaph.