Aldla likes to change her appearance frequently. Unlike Ardra, she's a bit more focused on the way she looks.
Yes, that's just the way Anna's mouth is open.
Lenore is all about attention. Thus, why she's practically the main character.

Bob was a good father, but as Ardra mentioned, he was gone quite a bit. And he's always been a bit of the clueless, absent-minded professor sort, despite his great intellect.