I am sorry, but your statements show a severe ignorance on the point of this tradition.
The aim of it is not to become the devil. It is the contrary. Evil (and the bad spirits of winter, i.e. the cold, hunger) is chased off by dressing up as monsters or angelic beings (less common nowadays). Children are shown the "devil" to keep them behaving well.
I am sorry, but your statements show a severe ignorance on the point of this tradition.
The aim of it is not to become the devil. It is the contrary. Evil (and the bad spirits of winter, i.e. the cold, hunger) is chased off by dressing up as monsters or angelic beings (less common nowadays). Children are shown the "devil" to keep them behaving well.