I did this in art class as a assignment, so basiclly it's Kyo Sohma in cat form the the Chinese symbols of the Zodiac surrounding him to form a C if u look at it closely that is.

in order:

1: Kagura = Pig -> top reading from right to left
2: Shigure = Dog
3: Hatori = Dragon
4: Ayame = Snake
5: Yuki = Rat
6: Momiji = Rabbit -> reading down now
7: Hiro = Ram
8: Kisa = Tiger
9: Hatsuharu = Ox -> reading left to right now
10: Isuzu "Rin" = Horse
11: Kureno = Rosster a.k.a "Bird"
12: Ritsu = Monkey