Armored Saint’s John Bush Lends His Voice To Animated Show “Flex Calibur”

Armored Saint frontman John Bush serves as the singing voice for the main character in a new animated show called “Flex Calibur.” According to The PRP, the show was created by Exit 73 Studios and it features a story about a rockstar named Flex Calibur, who was kicked out of heaven after his death only to go on to thrive in hell.