So there was an ad from 2005 where a Luchador is about to take off his mask to eat a McDs burger and everyone is gathered around to see what he looks like. He takes off his mask to take a bite and he has another mask on underneath.
My brother woke me out of a dead sleep to tell me about it when it aired and later thought he dreamed it or was high - because neither of us can find it online. There’s a few forums discussing the ad, but that’s it.