Joe Manganiello is an American actor. He played Flash Thompson in the Spider-Man film series, and had recurring roles on How I Met Your Mother and One Tree Hill as well as True Blood.
Dexter and Jimmy follow Mandark into an alternate reality where the House Of Villains actually succeeded in the plains of World Domination and split each of the continents between themselves in groups. It’s here where Mandark enacts his plane to destroy Dexter in each reality.