1. Bulleit bourbon has so much rye, it's almost a rye whiskey
Though it's 68% corn, the bourbon contains 28% rye, which is more than half of what's mandated for it to be considered rye whiskey. This ratio has never been a standard for bourbon -- even back when the first batches were made.
2. Bulleit is a very real (and very badass) surname
Augustus Bulleit made the first batch in 1830, and it's been a long-standing family recipe ever since. Tom Bulleit, Augustus' great-grandson who grew up in the distillery, is responsible for the modern-day branding, though he's changed the recipe quite a bit. The mash bill used to be ⅔ rye and ⅓ corn -- today it’s about ⅔ corn and ⅓ rye.
3. Mystery surrounds Augustus Bulleit
Not many people seem to be able to find records of Augustus Bulleit, and after 1860 nobody knows exactly what became of him. Legend has it that in 1860 he loaded up a flat-bottom boat full of bourbon barrels and left for New Orleans to sell them... and yup, he was never seen again. Search parties even went out, and came back with nothing. Soon enough it was the Civil War, and the search for Augustus Bulleit became lost in time. Where y'at, Augustus?