Ferrule, a resident of Kef Bir and a member of the orbak species, belonged to Jannah, who was in charge of a tribe composed of ex-First Order stormtrooper deserters.
Ferrule made his debut in the sequel trilogy movie Star Wars: Episode IX The Rise of Skywalker released in 2019, with his identification confirmed in Star Wars: The Rise of Skywalker: The Visual Dictionary, a reference book by Pablo Hidalgo. Ben was the name of the heroic horse who played Ferrule.