Big Bubba is a revenant who works under Bobo Del Rey. Bubba uses his chemistry knowledge it create the poison that causes the city of Purgatory to go mad and attack Wynonna Earp for the cure. He seems to have an admiration for Doc Holliday because even though he's holding him prisoner, he answers Doc's questions in exchange for knife throwing lessons. Big Bubba has a twin brother, Vinnie the Vulture, who also became a revenant.
Relationship: Twin Brother
- Bubba's actor, Josh Bertwistle, also portrays Bubba's twin brother Vinnie the Vulture.