Board Thread:The Panopticon/@comment-9435571-20140927221308/@comment-4028641-20141102225734

CzechOut wrote: Why is Katarina a companion? It's largely because the production staff did originally tout her as one, and later production staffs have maintained her as a companion. She's also been on several lists of companions endorsed by the BBC.

Then why is Rose's mom a companion then? I've seen no list ever describe her as one, and she doesn't even start to fill the criteria of being one. HG at least served the purpose of a companion, Jackie did not.