Mr. Iguana

Santiago Ibarra Calderón (born 20 July 1988), better known by his ring name Mr. Iguana, is a Mexican professional wrestler. He began wrestling independent circuits in Mexico in 2009. In 2015, he began a brief and limited stint in Consejo Mundial de Lucha Libre (CMLL). In 2018, he joined KAOZ Lucha Libre and the U.S. independent promotion Combat Zone Wrestling (CZW). That year, he also began making appearances in Lucha Libre AAA Worldwide (AAA); Mr. Iguana subsequently signed a contract with the promotion in 2020. In 2021, he won the Copa Bardahl battle royal at Triplemanía XXIX, and in 2024 he won the AAA World Mixed Tag Team Championship for the first time with La Hiedra. After its acquisition of AAA, Mr. Iguana made his WWE debut in June 2025 during its AAA crossover event Worlds Collide. Following a positive fan response, he began to make occasional appearances in WWE, primarily to challenge AAA and NXT championships. In 2026, he began a second reign of the AAA World Mixed Tag Team Championship, this time with Lola Vice.