User blog comment:PlasmoidThunder/I'd Imagine the Pokéfans Among Us Already Know About This/@comment-14149292-20130110005515

They revealed the names of the new legendary pokemon:

Xerneas (ZURR-nee-us) and Yveltal (ee-VELL-tall).

I love the names, they really suit the pokemon.

Source: https://www.google.com/search?q=new+legendary+pokemon&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

Second or third on the list talking about the names.