Ooh, this challenge sounds like a blast. I'm so here for it! My lists are here:

1) Makoto Kagutsuchi (Master Detective Archives: Rain Code);
2) Shion Sonozaki (Higurashi When They Cry);
3) Junko Enoshima (Danganronpa);
4) Yuka (Gore Screaming Show);
5) Riku (Kingdom Hearts);
6) Carly Shay (iCarly);
7) Natsuhi Ushiromiya (Umineko When They Cry);
8) Daryan Crescend (Apollo Justice: Ace Attorney).

1) Lion Ushiromiya (Umineko When They Cry);
2) Yamiko Saitama (Gore Screaming Show);
3) Mion Sonozaki (Higurashi When They Cry);
4) Phoenix Wright (Apollo Justice: Ace Attorney);
5) Nagito Komaeda (Danganronpa);
6) Desuhiko Thunderbolt (Master Detective Archives: Rain Code);
7) Namine (Kingdom Hearts);
8) Emmy Altava (Professor Layton).

Thank you very much for organizing this challenge!