Partners in crime, and brothers. Shadow and Umbra are both lions with shadow-abilities, while Umbra can use magic, Shadow is more skilled with weapons.

This was drawn by QuietBadger over on Deviant art for a trade between  ImpiousImp and herself, you can get to their page by clicking the link: https://quietbadger.deviantart.com/

Nathanial 'Umbra' Carver is © myself and  ImpiousImp
and Mathieu 'Shadow' Carver is ©  ImpiousImp