Rose Lalonde and Courtney Crumrin

Rose Lalonde is from Homestuck, Courtney is from Courtney Crumrin and the Night Things.

Sakura Haruno and Akane Motomiya

Sakura Haruno is from Naruto, Akane Motomiya is from Harukanaru Toki no Naka de.

Billie Joe Armstrong, Dero and RayWilliamJohnson

Billie Joe Armstrong is from Green Day, Dero is from Oomph and Ray is from raywilliamjohnson.

Toshiro Hitsugaya and Mannen

Toshiro Hitsugaya is from Bleach, Mannen is from Pretear.

Bakura Ryou and Mytho

Bakura Ryou is from Yu-Gi-Oh, Mytho is from Princess Tutu.