Some Tutorials:
Rigging the mannequin is very easy with Uefy 2.0
The tutorial also explain how you can use a blender rigged mannequin to setup animation sharing for all your characters so you don’t need to make new copies of your animation sets for each character.
Tutorial on how to use Uefy 2.0 to rig character that you might purchase from a marketplace.
Intro to the new ‘Free Form’ feature of Uefy 2.0 to rig anything from machines to fantasy creatures
Full Facial Rig for Epic Skeleton with Lip Sync demo:
