Marie Couleur no longer has the Rename Pet option available. I've been all through the Circus Maximus, and read through the Update Notes and the Players' Guide but cannot find any reference to where one may rename a pet.

Have I missed it? Where is Pet Renaming available now?

One-Eyed Jack on May 17, 2014 wrote:

Hi! Pressing M while in Circus Maximus will show you the way to Chroma Cupona, who will now assist you with renaming your pets.

That reminds me, the tutorial tip about pet renaming needs to have a revision, since Marie Couleur no longer does pet renaming. That's now handled by Chroma Cupa in Bestia.

itsamemario4 on May 17, 2014 wrote:

Speaking of which, the "Pet Renaming" tip still tells the player they can rename pets at the old Pet Renamer, Marie Couler. It is not Chroma Cupona. Weird...

Good ears (and that's coming from a rabbit)! We'll see about getting that corrected.

Sorry for the inconvenience.