Top: in Mario Super Sluggers, looking very closely at the egg during the animation for Yoshi’s Egg…

Top: in Mario Super Sluggers, looking very closely at the egg during the animation for Yoshi's Egg Swing reveals that there is seemingly an extra layer of slightly darker spots inside the spots on the egg. Bottom left: a freeze-frame of the egg showing the spots. Bottom middle: the model extracted from the game's files. It turns out that it mistakenly has its own texture assigned to itself as a…