José Aldo (; born September 9, 1986) is a Brazilian mixed martial artist, who competes as a featherweight in the Ultimate Fighting Championship. Aldo was the fourth and final WEC Featherweight Champion and thus, was awarded the UFC Featherweight Championship during the UFC/WEC merger. Aldo is ranked as the #1 featherweight in the world by Sherdog, ranked #3 in their pound-for-pound list, Aldo is primarily a Muay Thai striker and has won the majority of his fights by KO/TKO.
José Aldo da Silva Oliveira Júnior, commonly Anglicized as Jose Aldo, is a Brazilian mixed martial artist who competes in the Ultimate Fighting Championship. He was the fourth and final WEC Featherweight Champion, becoming the first UFC Featherweight Champion after the UFC/WEC merger. He is a former three-time UFC featherweight champion overall, having been the undisputed champion twice and the interim champion once. As of June 30, 2020, he is #6 in the UFC Bantamweight rankings.