Benjamin Franklin

Benjamin Franklin was an American scientist and statesman from Earth in the 18th century. He discovered static electricity. The Tenth Doctor once claimed to have met Franklin and worked with him the night he discovered static electricity. He also claimed that he got rope burns from his kite, soaked and then electrocuted. (DW: Smith and Jones)

In an alternate timeline, Franklin was President of the United States. (BFA: Seasons of Fear, Neverland)

Franklin was a member of the Hellfire Club. (BFA: Seasons of Fear)

For a while, Franklin was the owner of a mysterious living hand, which was later reaquired by Alexander Monro to create a clone of himself: Alexander Monro III (NSA: The Many Hands)