1) Amnesic 2) Blackout victim 3) Forgetful 4) He has a remembrance problem 5) Jane Doe 6) John Doe 7) Man with no past 8) Memory-challenged one 9) Mindless 10) One drawing many blanks 11) One having an identity crisis 12) One suffering from amnesia 13) One with memory problems 14) Patient of unknown origin Found on https://www.crosswordclues.com/clue/amnesiac