The timeline is once more in danger, and the Bronze Dragonflight has called upon the heroes of Azeroth to venture into the swirling mists of Pandaria. Perhaps we'll also find a few pets hiding amidst the timeways?
This week's timewalking vendor offers two pets: the Paradox Spirit & the Infinite Hatchling, and they both cost 2200 Timewarped Badges.
However, there's also an achievement reward pet from Stormstout Brewery: the Hopling.
It's a reward from Ling-Ting's Herbal Journey
Here's a link
to the comments on Wowhead for the achievement. It also offers a workaround to the one that might be bugged beneath the stairs. It'd be best to wait for the instance to be cleared. Or, since you'll be heading out to the Timeless Isle anyway, drop by the Valley of the Four Winds on your max level character for an easy clear, and easy pet.