Puck has hair on his head!

[Tawmis]

Wasn't that present Puck back in time?
Wait...

Nope, it was past Puck and he was bald.

~ Le Messor
"I feel like I'm diagonally parked in a parallel universe."
~ Bumper Sticker

So maybe he's dedicated to making sure he doesn't get his hair pulled, like superheroes do when they wear capes?