Fabian Aichner (born 21 July 1990) is an Italian professional wrestler signed to WWE where he performs on the NXT and NXT UK brands using his real name. While its own distinct brand, NXT UK is considered part of NXT, where Aichner also appears. Aichner previously worked on the U.S. independent circuit, including promotions such as Evolve, where he is a former Evolve Champion, as well as the European independent circuit - under the ring name Adrian Severe.