>>10310004Shiki is the biggest one, partly because she got blessed by the algo and her vtuber introduction vid is probably one of the most watched ones. Anons say she's a good singer so there's that too.
Luto was pushed because she's aussie and she's red Gura. She milks her paypigs with endurance streams and when I last watched her she had a pretty shitty chat since they used to egg her on when she was clearly getting titled by whatever game she was playing. Hopefully that stopped.
The rest are varying degrees of zatsudan streamers, singers and GFE vtubers. Like most vtubers they're sweet girls but don't really do much to stand out, hence why you've most likely never heard of them.