With Kotone's debut imminent in the upcoming episode "An Egg Scramble", airing this Saturday (February 6th, 2010), the official Pokémon site has made adjustments to Kotone's page, revealing her English (US) name.

Kotone will now be known as Lyra. Lyra will also be keeping her English name for the upcoming re-release of Pokémon Gold & Silver; Pokémon HeartGold & SoulSilver.