They are: 2 seperate people, brothers though
Cuphead: Confident, reckless, kind hearted
Mugman: Cautious, timid, fun loving
Smoke bomb: Cuphead can teleport with smoke bombs
Heart Ring: Mugman can Parry to heal himself
power: 10
guard: 15
magic power: 30
magic guard: 15
speed: 30
Revival: They both can revive eachother
Parry: They get energy from all pink attacks
Peashooter: Shoot energy from their fingers, and big blasts
Roundabout: Cuphead can switch peashooter to energy boomerangs. Also a boomerang saw.
Chaser: Mugman can switch peashooter to homing projectiles. Also a barrier of projectiles
Energy beam: huge. Cuphead
Invincibility: Mugman
Detailed fight with dialogue