David Fitzgerald is an author, public speaker, and activist. He is known for supporting the theory that Jesus of Nazareth is a myth in his books which include Nailed and Jesus: Mything in Action. He is interviewed and prominently featured in the film Batman & Jesus and appeared in the episode "Top 10 Killers in the Bible" of the series "Holy Shit" as Jephthah in a scene with Jacob Woelfel.