Theodore Roosevelt- Theodore Roosevelt (also known as “Teddy” or “T.R.”) is known for having been in the cavalry, leading the Rough Riders’ charge on San Juan Hill, commissioning the Panama Canal, creating the US National Park System, and saying “speak softly, but carry a big stick” (the aircraft carrier USS Theodore Roosevelt is called “the big stick” by its crew). Before he became the 26th President of the United States, he was a governor, historian, adventurer, police chief, cavalryman, cowboy, explorer, hunter, naturalist, Assistant Secretary of the Navy, author of 35 books, conservationist, etc. He was a larger-than-life figure with a bombastic reputation as a total Badass.