Deryl Marcus Armstrong Jr. (October 31, 1968) is an American Singer, Guitarist and Songwriter best known for being a part of the Fourth Knights of Albion and the lead singer of the Heavy Metal group Morgaine. Other musical projects include Dog Iron Downs and Aquarion Guardians. He is widely considered as a remarkable singer and is noted for his screams which seem to electrify the crowds. He is often ranked as one of the most powerful voices in Rock History. He is currently working with Albion to record albums for Fallwind Online and is working on other albums with Aquarion Guardians. He currently is living in Pasadena, California.