Carlos Ruiz (born May 9, 1997) is a Spanish professional wrestler known under his ringname A-Kid. He is currently signed to WWE, where he performs on NXT as Axiom. He has also performed in NXT UK, where he was the inaugural NXT UK Heritage Cup Champion. He has previously competed on the American and European independent circuits, notably for Pro Wrestling Guerrilla (PWG), Progress Wrestling, Chikara, Defiant Wrestling and White Wolf Wrestling (Triple W). Ruiz is the first Spanish-born wrestler to ever sign with the WWE. In 2018, Ruiz became the first Spaniard and, at the age of 20, the youngest wrestler to ever compete in a singles match rated 5 stars by Dave Meltzer of the Wrestling Observer Newsletter.
