I actually can't really remember much of that. I read those quite a while ago...So I'll try to answer as best as I can.
Davianna's intro was interesting. She was a fun character to read!
And Don and Raph? Both are pretty whacko for the time being. But yeah, the separation was interseting, seeing as how their personalities change dramatically in doing so.
And Shadow? It's like, A teenage Ms. Casey Jones or something. And I'm such a big fan of Casey, I cosplay him a lot. But yeah, Shadow is awesome!
And Renoir? I feel sorry for him, and feel like pointing and laughing at the same time!
And I honestly have no clue on how to answer that last question. Maybe they were....Um...I dunno.