The term "Browncoats" refers to the soldiers and supporters of the Independent faction during the Unification War in the Firefly universe. They fought against the Alliance, which sought to unify the planets under its control. The Browncoats are characterized by their rugged individualism and resistance to authoritarian rule. In popular culture, the Browncoats are best known from the TV series Firefly and its film sequel, Serenity. The series, created by Joss Whedon, depicts their struggles and the aftermath of the war, highlighting themes of freedom and rebellion against oppression.