<P> The inverted cross is also a recurring motif in punk rock and heavy metal, where it is embraced as symbol of anti-authoritarianism and defiance (but not necessarily Anti-Christian), and is featured in the iconography of punk - themed fashion label Cheap Monday, hip - hop collective Odd Future, worn by fictional bassist Murdoc Niccals of the band Gorillaz, one of the symbols associated with synthwave artist Carpenter Brut, throughout the rock opera American Idiot based on the music of Green Day and worn on a necklace by rapper Lil Uzi Vert . </P> <P> Former Black Sabbath drummer Bill Ward suggested that the use of an inverted cross on the inner gatefold sleeve of their debut album by their label Vertigo may have been a promotional ploy or a misunderstanding of the nature of the group . </P> <Table> <Tr> <Td> Part of a series on </Td> </Tr> <Tr> <Th> Saint Peter </Th> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Th> In the New Testament </Th> </Tr> <Tr> <Td> <Ul> <Li> Walking on water </Li> <Li> Confession </Li> <Li> Servant's ear </Li> <Li> Denial </Li> <Li> Restoration </Li> <Li> Vision of a sheet </Li> <Li> Liberation </Li> <Li> Incident at Antioch </Li> <Li> Epistles <Ul> <Li> 1 Peter </Li> <Li> 2 Peter </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Th> Other </Th> </Tr> <Tr> <Td> <Ul> <Li> Cross </Li> <Li> Sword </Li> <Li> Tomb </Li> <Li> Quo vadis? </Li> <Li> Primacy </Li> <Li> In Judaism </Li> <Li> In Islam </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> Part of a series on </Td> </Tr>

What does the cross mean when its upside down