Matte SS Black - Disassociation Identity Disorder - Year 1 and Year 2Matte S. S. Black, changed from Matt Jonas because of his Disassociation Identity Disorder (or what used to be called Multiple Personality Disorder) from his childhood abuse. This condition has been undiagnosed Mattes whole life as he has regressed to his childhood and other personalities often to help him cope. Matte's brain structure sits in between next to autism, schizophrenia, indigenous shaman, mathematical genius, and his psychiatrist basically