google.com, pub-ca-pub-6067120031842370, DIRECT, f08c47fec0942fa0 Duplicates Alright, this is Doctor Who and where else will I believe that a character has a duplicate. Duplicates?  You may ask.Other than Doctor Who, there are not any I can think of right now. Consequently, this idea takes place several times in Doctor Who. I am not saying other shows do not do this, but this is a site about Doctor Who. Therefore, I want to tackle this and see what I can remember about…