Wolfsbane, known as Fallguys Wolf in the Japanese version, is one of the finalists of the World Duel Carnival in the Yu-Gi-Oh! ZEXAL anime. He was born in the United States of America, and was hired by Quinton and Vetrix to defeat Yuma, together with his group, the "Triad of Terror". He is the leader of the Triad of Terror and the oldest member. The other members have great respect for him, even referring to him as "big brother".