Pocopoc
Magic
Vendor
This isn't the real Pocopoc, but it provided this replica to you for use outside Zereth Mortis. Its details are so accurate as to be utterly convincing to anyone who hasn't spent lots of time with the real one.
Pet Facts
How to Obtain
Vendor
Buy it from Olea Manu in Zereth Mortis, then use the item to learn the pet.
Where it comes from
The sources Pocopoc names in its in-game collection entry, each with its own page.
Where to Find It: Zereth Mortis

The game data places this pet in Zereth Mortis but records no spawn coordinates.
3D Model
First-party render from the game files. Model © Blizzard Entertainment.