Mogura ninja

The Mogura ninja is a ninja clan in the Usagi Yojimbo story world.

Being made up of moles, their particular talent is making sneak attacks by digging tunnels that emerge in the midst of a target's building, bypassing the outer defenses.

However, while they are formidable fighters in their element, they have weaknesses such being vulnerable to being disoriented by bright lights which an opponent can exploit.