How do you defeat Dark Gaia in Sonic Unleashed Wii

dark gaia is easy. first you will be going against dark gaia in his first form. just swing the wii remote or nunchuck to hit him. only do both arms when he is about to grab you. after this you will have to save chip. so you have to run and hit all 3 eyes. lastly is perfect gaia. now get rings until it says "attack now" and it will show a wii remote icon. swing it and hit his eye. repeat this process and you will win.