Frank Sidebottom's creator hid secret codes in his artwork so @GCHQ were called in to crack them https://t.co/PtbQIpBRGX— BBC News Entertainment (@BBCNewsEnts) April 14, 2019
Frank Sidebottom's creator hid secret codes in his artwork so @GCHQ were called in to crack them https://t.co/PtbQIpBRGX