yes
Borderline personality disorder
People with Dissociative Personality Disorder (Previously known as Multi-Personality Disorder) are most of the time unaware that the other personalities exist.
Most people think that serial killers are psychotic with a psychopath background. Modern medicine also thinks like that. Some of them were cataloged with Paranoid Personality Disorder, Schizoid Personality Disorder or Schizotypal Personality Disorder.
One of the personality disorders should fit this. Most likely Antisocial Personality Disorder or perhaps Borderline Personality Disorder. They differ somewhat though. Look them up, online.
The essential feature of the antisocial personality disorder is a pervasive pattern of disregard for, and the violation of, the rights of others. Desalvo most certainly qualifies.
most of them do.
People with AvPD (Avoidant Personality Disorder) display a pattern of social inhibition, feelings of inadequacy, extreme sensitivity to negative evaluation, and avoidance of social interaction. AvPD is also called Anxious Personality Disorder and it is Cluster C personality disorder recognized in the Diagnostic and Statistical Manual of Mental Disorders handbook.
anorexia nervosa
Generally, no. Stealing for profit is a typical, though unsavory, normal, human behavior. If the stealing is compulsive, however, with no regard to value, and with no recognition that the act constitutes theft, it is a kind of hoarding behavior associated with certain personality disorders, most common are Obsessive Compulsive Disorder, Boderline Personality Disorder, Schizoid Personality Disorder, as well as certain neurological injuries.
Schizophrenia is a psychotic disorder, not a personality disorder. However, there are some personality disorders that have similar symptoms to schizophrenia: paranoid personality disorder, schizoid personality disorder, and schizotypal personality disorder.
The most unwanted characters are those with a Narcissistic personality disorder, and the way to deal with them is to avoid them.
Personality traits become disorders when they significantly deviate from cultural norms and cause distress or impairment in important areas of functioning, such as work and relationships. Disorders like borderline personality disorder, narcissistic personality disorder, and avoidant personality disorder involve extreme and maladaptive versions of common personality traits.