The other doctor is the doctors dark chapter an hitherto unknown incarnation whose existence he has spent centuries repressing a secret he wants no one to know ofr he is a relic of the past part of the great time war when he spent centuries fighting alongside his fellow time lords against the daleks and made the final decision to end it with a desperate act that cost that incarnation the right to use the name doctorr this haunted and battle worn other doctor is finally forgiven after