How i can setup Character

Hello Everyone

i have Mecanim Robot Rigged Character and it have animation

but i have no idea how to setup this character to benefit MultiplayerGame

because when i put the camera inside character

the idle animation keep moving the camera hardly and when character walk the camera move so fast

and the biggest problem in mouselook. when i move the mouse. the whole animation move and rotate

i'm not sure if i'm setting it right

so please if u have tips or youtube tutorial. help me