Just in case you didn't think that Jackson was hardcore enough, legend has it that he had a tomahawk tattooed onto his thigh. (Source)

Were you sick the day they discussed the history of plumbing in the White House? Well, Shmoop to the rescue, as usual. Andrew Jackson was the first to install running water into the presidential digs. He put in central heating, too. For a frontier guy, he learned to love his comforts. (Source)

Andrew Jackson lived most of his life with a bullet lodged into his chest from one of his many duels. Historians have guessed that he participated in anywhere from 3 to 13 duels throughout his lifetime. It's hard to know, but one thing's for sure, you didn't want to cross "Old Hickory." (Source)

Jackson blamed the death of his wife, Rachel on his opponents. He even etched this accusation as an epitaph on her tombstone: "A being so gentle, and yet so virtuous, slander might wound but could not dishonor." Who would've thought that Jackson could be such a sweetheart? (Source)

Jackson's about to be bumped off the $20 bill and replaced by Harriet Tubman. The original plan was for Tubman to be a contender for the $10 bill, but then Hamilton happened. Anyway, it's poetic justice for a guy who detested paper currency and a national bank. Plus, there's the slave owning and brutality towards the Indian tribes. (Source)