This is super lazy and obvious if you've seen the anime.

The Rat: Yuki Sohma

The Ox/Cow: Hatsuharu Sohma

The Tiger: Kisa Sohma

The Rabbit: Momiji Sohma

The Dragon: Hatori Sohma

The Snake: Ayame Sohma

The Horse: Isuzu Sohma

The Sheep: Hiro Sohma

The Monkey: Ritsu Sohma

The Rooster: Kureno Sohma

The Dog: Shigure Sohma

The Boar/Pig: Kagura Sohma

Which character are you?