You're not one of us

X was a farm boy turned astronomer who discovered Pluto in 1930, although it's presence had been detected in 1919. Detected as a result of anomalies in the behavior of Neptune and Uranus, X decided to name the planet as Pluto after an eleven-year-old girl suggested the name of the Roman god of Underworld. Recently, X traveled farther than any human has traveled – at least parts of him when NASA's New Horizons space probe carrying his ashes did a flyby of Pluto. Id X.