Invincible: Guarding the Globe/Characters/Jack DuvallJack DuvallIntroductionJack Duvall is a character in Invincible: Guarding the Globe.More charactersAll charactersAgent SpiderAllen the AlienAngstrom LevyAnissaAquarusAtom EveBlack SamsonBulletproofCecil StedmanConquestDamien DarkbloodDarkwing
