Juan Carlo was a priest on the outskirts of Purgatory back in Wyatt Earp's time. Around the time of the start of the Earp Curse, Juan Carlo worked with Constance Clootie and Robert Svane to seal Bulshar Clootie in the ground. Since Wynonna Earp's reign as heir, Juan Carlo helped her to understand the Earp Curse as well as protecting her friends. Juan died from the poison of The Widows' bite.
- The Other Woman (flashback)