A Ninja
The popular board game where players have to guess the identity of a hidden person is called "Guess Who?"
Anonymous (literally having no name) means having a secret or unknown name or identity. eg To maintain secrecy the letters were unsigned and therefore anonymous. It can also be a group.
The pen name of Samuel Clemens was Mark Twain.
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Esther (Hadassah)
A person with multiple personalities is commonly referred to as having Dissociative Identity Disorder (DID). This is a condition where an individual's identity is fragmented into two or more distinct personality states.
it is a name osama bin ladens secret identity
Superman's hidden identity was Clark Kent.
anonymous incognito
Urn(uniform resourse name) means it represent the name identity e.g name of person
Lee Grant
No or it is keeping it's identity hidden well.