Call your penis a pecker or a schlong

Call your nose your beak obviously that ones great

Fingers/hands can be called paws, mits, grippers or grabbers, possibly claws or talons

You can call your knees and elbows "the ol hinges"

Obviously your feet should be called hooves or roots

Your belly can be called the incenerator or the disposall

Your hair is a mane

Your eyes are peepers