Free US Law DictionaryBETA
An alter ego (Latin, "the other I") is a second self, a second personality or persona within a person. It was coined in the early nineteenth century when schizophrenia was first described by early psychologists.

Free US Law DictionaryBETA
An alter ego (Latin, "the other I") is a second self, a second personality or persona within a person. It was coined in the early nineteenth century when schizophrenia was first described by early psychologists.
The term alter ego is commonly used in literature analysis and comparison to describe characters who are psychologically identical, or sometimes to describe a character as an alter ego of the author, a fictional character whose behavior, speech or thought