'Vesper 'One or "The Leader" is the leader of the Vespers, and the Vesper with the highest authority in the The Vesper Council of Six. His job is to give directions to the other Vespers and to execute all plans. His official identity was revealed on March 5, 2013 in Day of Doom. Vesper One is Damien Vesper III, a descendant of the original Damien Vesper. He is also known as Dave Speminer, Martin Holds, and Riley McGrath.