People who exhibit symptoms of a personality disorder may be unaware that they do so because they perceive their own distorted thought processes, emotional responses, and behaviors as normal.

Narcissistic personality disorder (NPD) is a relatively rare personality ... can be seen in many famous pop culture figures—from the ruthless, power-hungry Logan Roy in Succession to image ...

The term described people who did not meet social expectations and wanted to hurt others. Though they are similar, sociopathy and psychopathy are sometimes considered personality disorder subtypes.