Oluwatosin Ayoyinka Olumide Abasi, is an American musician, best known as the founder and lead guitarist of the instrumental progressive metal band Animals as Leaders. He has recorded and released five albums with Animals as Leaders: a self-titled debut, Weightless, The Joy of Motion, The Madness of Many, and their most recent album, Parrhesia.

Zachary Phillip Wylde is an American musician. He is best known as the lead guitarist for Ozzy Osbourne and as the founder, lead guitarist, lead singer, songwriter and producer of the heavy metal band Black Label Society.