From EsoArcadia's Skies of Arcadia wiki
Nara (Belle's friends.) is one of
- The names of Belle, Lilly, and Nara in Japan (in rōmaji they would be spelled Beru, Riru, and Naru) all somewhat sound the same in that they end with a ru sound. However since Lilly and Nara's names were changed during localization, this effect was lost. In order to maintain this effect during localization, they would have to be named Belle, Lille, and Nalle.