Billy / Dr. Horrible

An aspiring supervillain of the mad scientist variety with the catchphrase "I've got a Ph.D. in Horribleness". He desires to become a member of Bad Horse's Evil League of Evil and use his inventions to take over the world and enact social change for the betterment of humanity. His socio-political beliefs include the paradoxical idea of autocratic anarchy: "The world is a mess, and I just... need to rule it". As Billy, he struggles to make a romantic connection with Penny.

Appearances