You have a lot of big things to solve, and you need to do them as quickly as possible. Especially with the face, hands, and feet, as well as with his clothing. Do the late nights now instead of at the end when it's due, and you'll be much better off. Are you going to do fibermesh fur or give the fur a sculpted look? If it's fiber mesh, you need to model him a little smaller than you want him to be so that the fur can make up the difference.