All the various names can be found
here. After looking at the list, one can only wonder how the animation footage didn't sway even more by the end of it. Also, look at all the different writers! No wonder why sometimes the character's personality sways between episodes! Ex: Why sometimes Mina is sassy and sporty, and other times she's girly and an idol worshiper. No wonder why fanon is so diverse on this, even in Sera Myu you can have characters being played differently through different plays. In a way this may be a good thing, because it did rather force the issue of character development. This is probably also why characters do appear older in Stars (and thinner) because they were constantly recycling through artists the style was bound to vary.