Teddy the Legend
Nowadays, American presidents are soft businessmen who have never had to struggle much in their lives whatsoever. Theodore Roosevelt was the opposite of that. He lived a difficult, strenuous life. Because of that, he was well suited to receive a bullet wound while standing on a podium, hide until his assailant was caught, and then return to continue speaking for three hours.
On the Count of Three...
If there was ever a breath-holding competition between a dolphin and a sloth, the sloth would win. Sloths can hold their breath up to 40 minutes, where dolphins can only hold their breath for 10. This says a lot about a creature that is famous for being lazy. It can actually be so lazy it doesn't have to breathe!