Now I don't know their names but Mojo Jojo created evil boys' versions of The Powerpuff Girls in prison and since (Y/N) is also an enemy of Mojo Jojo, let's say Mojo Jojo somehow got (Y/N)'s DNA and created an evil version of (Y/N) but you can name this evil counterpart
Yep. This is what (Y/N)'s copy that Mojo Jojo created in Jail.