Nothing is known of Gregorio's background.
Gregorio can most often be found playing Five Finger Fillet in Torquemada or playing Blackjack in Chuparosa cantina. He is one of 4 opponents the player must defeat to obtain the Reyes' Rebels Outfit Scrap #5. He will occasionally appear in Las Hermanas, playing Horseshoes.
|Hey there, cowboy. It looks like this little ol' article is a bit puny.|
I reckon you could impress me by adding to it. Don't be shy now.
If you're logged in, it'll help you earn them fancy achievements, too.