An enemy complex is in modern psychology a mental disorder in which a person falsely believes they are surrounded by enemies. Additional disorders of the mind generally accompanied with an enemy complex include paranoia and low-self esteem.
Joseph Stalin American historian Robert C. Tucker used the phrase in his 1988 book Stalin as Revolutionary to describe the mental state of Soviet dictator Joseph Stalin.
Mike Tyson Mike Tyson described himself having an enemy complex. Thinking that his opponents and their coaches and trainers were his enemies.
References
See also Delusion Distrust