They only get half a page, but something interesting.

Their names are Adelita and Scardelita (Twin with the eye patch)

“These two Sanchez  girls started out as bandits in Chakal’s army. But since the female soldiers  in the Mexican Revolution are such a respected part of Mexican history, we changed them to be the bad-girl skeleton cousins of Manolo.”

One of the artworks is the living/bandit version.