They're the characters which designed by myself. Three of them are my favourite.
Here're their informations:

Fuyuuba(The uper):
Created on December, 2007.
Name: Ginme Fuyuuba
Age: 17
Type: Sonw & Ice

Saimizu(The middle):
Created since 2003.
Name: Saimizu Ferisu
Age: 25
Type: Thunder

Devil(The bottom):
Created on January, 2008.
Name: Devil
Age: 19
Type: Angel

P.S.Which one do you like? Hope you will like this work