Axel Tischer (born 5 November 1986), is a German professional wrestler. He is best known for his time in WWE, where he performed under the ring name, Alexander Wolfe. Under his real name, Tischer competed on the European independent circuit. During this period, he was best known Westside Xtreme Wrestling (wXw), where he was a one-time Unified World Wrestling Champion and two-time Shotgun Champion. He then debuted in WWE's NXT brand as part of the stable Sanity, where he and Eric Young won the NXT Tag Team Championship in 2017. After moving to the SmackDown brand in 2018, the group saw minimal success, resulting in their disbandment in early 2019.