Brian Christopher Button, better known by the ring name Brian Cage, is an American professional wrestler and bodybuilder signed to All Elite Wrestling (AEW), where he is a member of The Don Callis Family. He also competes in AEW's sister promotion Ring of Honor (ROH), where he is a former ROH World Television Champion, a two-time ROH World Six-Man Tag Team Champion, and a former FTW Champion in AEW. Outside of AEW and ROH, Cage has wrestled for numerous promotions around the world, most notably Lucha Underground, Lucha Libre AAA Worldwide (AAA), Impact Wrestling, and Pro Wrestling Noah.

After beginning his career in 2004, Cage signed with World Wrestling Entertainment (WWE) in 2008 and competed in Florida Championship Wrestling under the ring name Kris Logan before returning to the independent circuit. He broke out in Lucha Underground as the powerhouse Cage before becoming an Impact World Champion and Impact X Division Champion, later joining AEW in 2020. Since then, he has been part of Team Taz, The Embassy, Cage of Agony, and The Don Callis Family while continuing to compete on the independent scene. Pro Wrestling Illustrated named him the 2019 Most Improved Wrestler of the Year and ranked him No. 48 in the PWI 500 that same year. Outside of wrestling, Cage appeared alongside Lance Archer and Chavo Guerrero Jr. in Steven Spielberg's 2026 science fiction film Disclosure Day.