Conrad `` Cronos '' Lant ( born 15 January 1963 ) is the vocalist and bass player in black metal band Venom . Conrad Thomas Lant ( aka Cronos ) ( born 15 January 1963 , London ) is a British musician who is the vocalist and bass player of the influential black\/thrash metal band Venom , from 1979 to 1987 and from 1995 to this day .