In Greek mythology, Uranus is the primordial god of the sky ... Cronus (a.k.a. Saturn of Roman myth) was eventually overthrown by his son Zeus and his siblings, who became the Olympian gods.
Named after the Roman god of the sky (also known as Zeus ... Named after the lightning god himself, Uranus is all about shock and awe, so this planet is distinctly erratic and unpredictable.