Download Destructible Humanoid Robot FREE Unity. 

Inside the package, you will find the character in different variations:
– as a single skinned mesh (16k tris, 16k verts)
– as separate body parts parented directly
to the skeleton. (20k tris, 18k verts)

Animations:

No animations in the package. You can use the humanoid
animations that can be found on the Asset Store.
Tested with humanoid animations from
Unity Standard Assets.