This is very appropriate.
Little crochet River Song
Look at her little vortex manipulator! Her hair… OMG! I could die happy with one of these
The Doctor’s Ganger is the Doctor without a TARDIS, without a companion, without everything.
He’s the Doctor without the very things that MAKE him the Doctor.
Imagine if he was left alone, abandoned on Earth in a random time. He lives out of touch, lost, unable to travel, forced to concoct ridiculous and downright dangerous schemes to try and get in touch with the friends who have left him behind.
He becomes stories in a history book, a footnote on a page, a face in an old movie.
200 years later, he manages to reunite himself with his friends, and do the one thing that makes the Doctor the Doctor.