i love how japanese, english and chinese vocaloids all have a resident "proper lady" vocal; japan has luka, the anglosphere has avanna and china has qingxian
curvy physique, late teens or early 20s, medium-long hair worn down, wears a dress or longer skirt as a default outfit, mezzo or alto, elegant ladylike appearance...
and they all have different sort of implied personalities too. luka's husky, suave and moody, has some antique theming to her design, and has a bit more of a serious look to her (at least in v2; her v4x design lightens up some but is still elegant); avanna's voice is warm, deep and sweet and she has an old-fashioned fantasy theme and a gentle cheerfulness to her design; and qingxian's voice is a bit stronger and she's got her modern, stylish and mysterious outlook and kind yet lethargic personality. qingxian is 17 i believe, avanna's 18 and luka's 20; qingxian's about 5'7", avanna's 5'6" and luka's around 5'3-4"
i can kind of imagine them meeting and becoming an unofficial trio
As for non-Vocaloids, Tei on caffeine would be the death of us all