Cho for Platform.
Tasuki and Amiboshi (maybe) for Three Wishes.
Arashi for Mahou (definately after episode 20 of X!! *_* OH MY GOD!!!! Sorata-san. *.* What's going to happen next!?!?!?!?! FUUMA!! YOU BASTARD!! Was that in the manga? o.o; I need to ask amiboshi. . .)
Tasuki for Majin Chuuten (maybe).
Miyako (KKJ) and Raphael (Tenshi ni Narumon) for Chikyuu.
Yuki (Fruits Basket) for Sairai. And considering an original sei.
*counts* I have... freak. 8 definate, 11 possible. Daaaaamn. x.x;;;; I'm getting as bad as amurderofcrows. . .