I a-ssure you, even with all the revamps and new pets, people are still gonna want names. xD What better to put on an amazing pet than an amazing name, eh? The name market usually isn't too affected by the more physical aspects of Creatu.
Welll. I wouldn't value Chocolatey or Emailing for much, since they have suffixes tacked on. Most of the time, names that aren't their base word are worth quite a bit less. They're much easier to get ahold of, and they don't sound as nice.
And those two definitely aren't worth buying if you only mean to resell. It'll be pretty hard to find a buyer who's willing to pay much.
Cuddly's pretty nice. I'd say that one should be worth a few million, maybe more. ;o
And.. I kind of really like Caveman. I donno why particularly, but. It just seems awesome. xD