Atreyu have announced that their singer, Alex Varkatzas, has left the band.The metalcore act shared the news on social media yesterday (September 30) saying that the band “will not disappear” despite Varkatzas’ departure.Atreyu formed in California in 1998. Two decades on from their formation in 2018, Varkatzas claimed his band had invented metalcore [via Consequence Of Sound].