Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-59.178.181.142-20140306185455/@comment-6383956-20140306202220

This isn't that uncommon of a thing to do in television. And other places.

It is so frequent there are TWO tropes dedicated to this on TV Tropes with lengthy lists of examples -- Identical Grandson and Uncanny Family Resemblance. See also the Acting For Two super trope.

So, let's calm down, shall we?