Infineta is an antagonist that appears in the Sonic The Hedgehog series. She is an anthropomorphic female jackal and the former captain of the Jackal Squad mercenary group. During a raid, Infineta was hired by Dr. Eggman to become the leader of the Eggman Army, only for Infineta's squad to fall at the hands of Shadow The Hedgehog while protecting one of Eggman's facilities.