Detective Comics #633 1991

Detective Comics #633, published by DC in August 1991, presents 'Identity Crisis.' Bruce Wayne awakens with amnesia, finding his life as Batman seemingly erased and his allies unaware of his secret. He confronts an impostor, only to discover a shocking truth about his own identity and the machinations of the Synaptic Kid. This issue is notable for the first and sole appearance of the Synaptic Kid, a psychic villain, and for its unique exploration of Batman's psyche and reality.