Heavy Metal KATAKLYSM Frontman’s EX DEO Signs With NUCLEAR BLAST December 5, 2008 Atomm Leave a comment Nuclear Blast Records has announced the signing of EX DEO, the new band of KATAKLYSM mastermind Maurizio Iacono.Source Nuclear Blast Records has announced the signing of EX DEO, the new band of KATAKLYSM mastermind Maurizio Iacono.Source