My Fire and Water Podcast co-host The Irredeemable Shag spied this set of children's underwear on sale (at an unspecified department store just a few miles away from stately Shag Manor), part of the DC Super Friends merchandising juggernaut. As you can see, Aquaman may not be represented on the tag, but he's there where it counts--on the product itself!
Sadly, that situation is reversed with this pair of Batman: Brave and the Bold briefs:
Here, Aquaman is pictured on the, er, package (along with some of the other B:BATB quasi-regulars), but on the product itself it's nothing but Batman. Oh well, can't win 'em all.