Favorite band: Rush. But the members of the Canadian progressive rock group might not be Paul’s biggest fans. After he used their music in his 2010 Senate campaign ads and events, the band’s attorneys sent a cease-and-desist letter to his campaign.

What he was like in college: At Baylor University in Texas, “Randy” was an athlete and a prankster -- a member of the school swim team and a secret society called the “NoZe Brotherhood,” known for its satirical paper and campus hijinks. The future senator and his friends allegedly tried convincing one of Paul’s swim teammates to worship a fake deity called “Aqua Buddha,” his classmates told GQ and the New Yorker years later. Paul studied at Baylor for three years, but never graduated.

Might have wished for a do-over: Following the measles outbreak in early February 2015, Paul initially said vaccinations “ought to be voluntary.” Paul apparently felt enough blowback from his remarks to tweet a picture of himself getting vaccinated, and invite a New York Times reporter along to watch.

Fears: Heights and (professional) haircuts. On a 2013 trip to Israel, Paul climbed the mountain fortress Masada that overlooks the Dead Sea, but wouldn’t look over the edge. In 2011, Paul told The Hill that he cuts his own hair, though an aide said that the senator occasionally visits a professional barber.

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