Grey Men's Plan Z (Inkwell Isle)

In all of Inkwell Isle, the Belkan Grey Men's Plan Z in Inkwell Isle is another plan of  the great plan Z of Belkan Grey Men  that their members disguised as any Cuphead game characters (except The Devil) to made the corruptible on harming any people or others for frame Cuphead and all of his friends, like Plankton's Plan Z.

It would be causing the conflict or keep assaulting on Cuphead and all of his friends by new enemies who doubt them in during USRAC War since Werner Werman betrayal them after Grey Men planned their Plan W that it could be causing the Global Liberation Union and the Belkan Grey Men being stronger than Coalition of the Red Star due to their intelligence skills and destroying the enemy friendships or enemy morales since the creation of Anti-Rubyism in during USRAC War.

The Belkan Grey Men members will disguise as any Cuphead game characters to murder,harm,steal and insult for frame them.