They won't. He will get a normal name just like the Japanese version.
Amai Liang wrote on Feb 2
nd, 2010 at 12:41pm:
Wait, are we sure it's Lyra? Because Bulbapedia hasn't edited their articles on Kotone yet.
Bulbapedia has a "waiting until it airs" rule on their site.
Example- When an evolution of a character's Pokemon is made obvious Bulbapedia won't say the Pokemon is the evolved form of the character's Pokemon. Instead they list it on their article as some random Pokemon. It's not until the episode airs that they list it as the character's Pokemon and the evolved form of a character's Pokemon. Same for new captures.
So in short- Just because it's not on Bulbapedia doesn't mean it's not true.