Onus is a minor antagonist in th Disney's animated movie, Treasure Planet. An alien pirate, who works as a former assistant of the R.L.S. Legacy and, later as an agent of Silver's pirate crew, Onus plays a minor role in Heroes vs. Villains War. Retrieved from "https://villainstournament.fandom.com/wiki/Onus?oldid=117221" Categories: Characters Villains Disney Villains Movie Villains Aliens Henchmen Minion "Heroes vs Villains" villains Heroes Vs Villains War Emperor Zurg's Alliance in Heroes vs Villains Pirates John Silver's Space Crew The R.L.S. Legacy's Crew Frieza's Alliance in Villains Battles Marvin The Martian's Alliance in Villains War (Disney Knight's) Emperor Zurg and Marcus' Alliance in Heroes vs Villains Community content is available under CC-BY-SA unless otherwise noted.