Got to wondering today.....
Movie characters, TV characters, video game characters - all some corporation's Intellectual Property, but there doesn't ever seem to be problems with people cosplaying as them.
So why not advertising cosplay?
Adult versions of the Coppertone (need to rig something with a stuffed dog somehow) and Morton's Salt girls.
Psyche, the "White Rock" girl.....
Supergirl and Krypto doing the Coppertone ad, from ALostFairy at DeviantArt: