Roku Kiki and Lala are a mix of Romanian and Greek
Roku Cinnamoroll is Greek.
Roku My Melody and Rhythm are jewish.
Roku Cyan is a mix of Japanese and American.
Roku Crow is a mix of Scottish and Swedish.
Roku Haida is vietnamese.
Roku Anai is Spainard.
Roku Sapphie is Italian, as Roku Ruby is British.
This is all.
These are just concepts btw, what do you think?