Duck Hunt Dog I think is warranted just on the basis of his importance to Nintendo history. I think the Zapper was a big part of the NES, and DHD represents pretty much all of the light gun games.
It's okay, I'm just running out of potential characters for Smash that wouldn't be close to a clone (if not outright a moveset clone) of somebody else.
The Nintendo eShop rating Thread: http://gamrconnect.vgchartz.com/thread.php?id=237454
The Steam/GOG key gifting thread: https://gamrconnect.vgchartz.com/thread/242024/the-steamgog-key-gifting-thread/1/