Unity comes with one character out of the box, ethan, already managed has a 3rd Person Controller prefab with the standard gesture animations (Walk, run, jump, crouch, idle). We can get other avatars in repositories like Unity’s Asset Store (lots of free stuff in there) or by making them ourselves in programs like Makehuman.
Fig: Unity 3D Tutorial: Using MakeHuman Characters
In this tutorial we use MakeHuman, an easy and intuitive software that can export characters in .fbx, properly configured with a “Game Engine Rig” compatible with Unity3D. The concepts are valid to import similarly configured characters made by other software (blender, Daz Studio, …). The tutorial is available in our Unity3D tutorials public drive:
Defy: Using the tutorial info, create your own avatar and answer to this post with images and links to it