Carbon Costume 
Captain Hammer
In Dr. Horrible’s Sing-Along Blog, Captain Hammer is the arch-nemesis of Dr. Horrible and hero to the city. His super strength and good looks are topped only by his cockiness.
Dr. Horrible
Dr. Horrible is an aspiring supervillain who ends each day by reflecting on his personal blog while cheesy synth music plays overhead. Remember to address him properly, because he “didn’t spend 6 years getting a PhD in Horribleness to be called mister.”
