Rhys from Awesome Games writes: 'But what sort of company would Nintendo be if they didn’t indulge in their dark side every so often? It’s easy to think that Nintendo would want to stay as far away from suggestively creepy content as possible, right? Surely they’d think of the children? Why would they want to scare the living daylights out of them? Well, actually, they do it all the time.'
As for Zero-Two, he looks like the Eye-Bat from Yu Yu Hakusho.
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or the mysterious shadowy figures who watch you from far off in Mario's game..never revealed who they are..not even mentioned..but you can see them..staring at you...