- someone you wish to be or prefer being under a usually different name
- someone more confident, comfortable who you want to become

-someone created by your imagination and speaks for you

Man's greatest invention, brain bleach removes bad memories and general DO NOT WANT moments. Every household should have a few gallons.

1) the opposite of who you usually are and your presonality (e.g. a hippie's alter ego would be a fascist dictator)
2. the bad side of a person that may come to life at anytime, switching your personality (this is fantasy, though some people may believe they have an alter-ego in which they can't control).
3) A person who you aren't ut you act as sometimes as though you have transformed (e.g Eminem's alter ego is Slim Shady)

Someone you're usually not.

The 'ghost' that you meet when you go to school.A character that comes out of your imagination,and is a criminal to your parents,because he or she took the family money that you were making when developing your hobbies and interests.

1. someone you turn into when you become drunk.

The dramatic change of personality some people undergo after consuming ecxtasy or other narcotics. They have no recollection of taking on there embarrasing alter-E-go or anything they do when they've changed.