None of the Gym Leaders and presumably Champions (aside from the Unova Gym Leaders, and presumably Cynthia and Alder) have a sprite for when they turn around.
Now, whenever I finished a round in the Pokemon World Tournament, three of my opponents showed up in the lobby, presumably to talk, and I did just defeat them. They're all standing in front of chairs. Using a code to walk through walls, I try talking to them from behind, as in, to get them to turn around and face the chairs, showing their backs to the player.
They... don't have any sprite for this. It's just a big X. An actual big X.
Granted, this makes sense. We're not supposed to see them turn around. Just on the sides for when they're entering and exiting the arena, and facing the player when you see them in the lobby and in the brackets.
But still, I find it strange.
Anyways, share more pointless facts if you wish.
Oh, youth... guided by the servant of the goddess... Unite earth and sky, and bring light to the land.