But Cranston really wowed San Diego Comic-Con fans in 2013 by putting on a mask of his Breaking Bad character, cosplay mens costumes Walter White. No one knew until much later that it was the real Walter White underneath. Scratch that one up to epic cosplay skills. Although Nathan Fillion’s Mal Reynolds from Firefly is probably one of the most cosplayed characters of all time, Fillion himself often likes to don a costume or two.