DID: 
A disorder characterized by the presence of two or more distinct personality states.
Dissociative identity disorder, previously called multiple personality disorder, is usually a reaction to trauma as a way to help a person avoid bad memories.
Dissociative identity disorder is characterized by the presence of two or more distinct personality identities. Each may have a unique name, personal history, and characteristics.
Treatment is talk therapy.
---------------------------------------------------- 
Just some Americans goofing around- Don't take us seriously.