The pants have stripes that match the monsters tummy, so I called them "monster stripes" and made sure not to say the p-word when I put them on for the first time. E does sometimes call them his monster pants himself now. It was a little touch and go at first. He said they were too tight - they are the "snug fitting" kind, but two sizes too big in order to fit over the big cloth diaper - but now he doesn't want to take them off.
He still likes to mix and match his socks. He also discovered cutting paper - holding the safety scissors with two hands while Mommy or Daddy holds the paper.