Wargo was a Drovian member of the notorious Tarisian swoop gang known as the Black Vulkars who later joined the rampaging Mandalorian Neo-Crusader army in the early stages of the Mandalorian Wars. Rarely seen without his close Zabrak friend Frazznik, the powerful and brutish Wargo worked for the Vulkar lieutenant Benno. In 3964 BBY, Wargo and Frazznik encountered the wanted fugitives Zayne Carrick and Marn Hierogryph, but instead of turning them in for a hefty bounty, they were convinced by Hierogryph to shake down a group of nearby Wookiees—and sustained a beating that cost Wargo several teeth. When the Mandalorians besieged Taris not long afterward, Wargo and Frazznik abandoned the Black Vulkars and joined the invading force, eventually being sent to a staging point on the planet Jebble