This presentation goes through the basic steps of how you would create a 3d character, rig and animate it, and then implement it into a game. If you have no idea what I just said, hopefully you'll know after clicking through this thing below! Don't worry, it won't bite. (it's actually pretty cute)
PS. When it's loaded, look at the bottom-right corner and click "More". Then click "Fullscreen", it's a lot easier to read!