★ Fictional Character Obsessive Disorder (FCOD) is an underrecognized personality disorder with a medical point of view, which is characterized by a strong obsession with a fictional character, which leads to the deterioration of everyday life
Diagnostic signs of person with “Fictional Character Obsessive Disorder” often show the following symptoms:
1) Jealousy and hatred: this can manifest itself in the form of strong feelings of rivalry and envy towards other fans/creators/other characters in the same universe as their favorite character
2) Strong hyperfixation on the character (hyperfixation does not have to be constant. It can be episodic)
3) Obsessive thoughts that blur the line between reality and fiction. For example: they may believe that their favorite character harbors feelings of hatred or contempt towards them, which leads to auto-aggression or even suicidal thoughts