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I still don't understand, if all the photos were from the same file why isn't game&watch with pac man in the character timeline?
I always figured that it would just either have the default picture with the All-Star selection or it would change when ALL of the characters are actually unlocked into a final form. I doubt they took the time to update it with each additional character that was unlocked, it'd just be a waste of time honestly for each individual and you'd have to make it for any number of combinations of unlocks any way since characters aren't necessarily unlocked in a specific order (Or at least haven't been in past games).
But god King K. Rool is just too perfect to be in this game. He doesn't have any potential implementation problems like Ridley could arguably have (Like how to make him work in a reasonable fashion, which has been demonstrated by fans many times, but maybe Sakurai didn't figure any of those out, really hope that isn't the case though and I do still believe in his inclusion). He can have an entirely unique move set with there really no reason for him to be a clone. He's both a heavyweight and a villain, two things the new Smash is arguably lacking in. The main two DK reps in Donkey Kong and Diddy Kong are already in. Finally he fits with the whole lack of DK content and actually makes some sense of it if the stage in Gangplank Galleon or something like that.
He's hugely requested by the fans and the only thing he possibly has against him is the dumbest mah relevancy argument that has been thrown around, which is pointless when it comes to Smash honestly. So in reality there is one thing, and one thing only standing between King K. Rool and Smash, and that's Sakurai. It's up to him to decide the fate of our Kaptain in the end, and hopefully he's figured out he can only gain from including him in the game and pleasing fans with a completely unique heavyweight that we've wanted for SO long.