Haruka Tenoh is the civilian identity of Sailor Uranus, a character who first appears as a central figure in the third season of the original anime, Sailor Moon S. She is a tall, athletic teenager born on January 27 who is often mistaken for a boy due to her short hair, masculine style of dress, and confident demeanor. While attending Mugen Gakuen, an elite school she was infiltrating to investigate the enemy, she famously chose to wear the male school uniform rather than the female one. Beyond her student life, Haruka is an accomplished and passionate professional race car driver, and she also has a talent for playing the piano.

Her personality is defined by a strong, independent, and sometimes stubborn nature. Unlike the inner Sailor Guardians, Haruka is more pragmatic and willing to make difficult, morally ambiguous decisions for the sake of the mission. She is fiercely protective of her goals and those she loves, often appearing aloof or cold to outsiders. Despite this serious exterior, she can be charming, flirtatious, and has a playful habit of teasing pretty girls, including the protagonist, Usagi. Her confidence borders on arrogance at times, but it is backed by genuine skill and a deep sense of duty.

In Sailor Moon S, Haruka and her partner, Michiru Kaiou (Sailor Neptune), act as a forerunner to the main conflict. Their primary motivation is to find three legendary artifacts known as the Talismans before the villainous Death Busters do. They believe these Talismans are the only way to summon the Holy Grail and stop a catastrophic event known as the Silence, a force of total annihilation. Their role in the story creates immediate tension, as they operate independently from Sailor Moon and her team, believing that the inner guardians lack the resolve to make the necessary sacrifices. Haruka is willing to sacrifice herself or even Michiru if it means fulfilling their mission and averting the greater disaster.

The most significant relationship in Haruka's life is with Michiru Kaiou. The two are portrayed as a committed lesbian couple, soulmates who are almost always seen together. Their bond is deep and romantic, forming a complete partnership where they support and challenge one another. Where Michiru is calm and composed, Haruka is hot-headed and impulsive, making their dynamic one of complementary opposites. Together with the mysterious Sailor Pluto, they form the Outer Senshi, a trio whose duty is to defend the solar system from external threats.

Throughout the season, Haruka undergoes notable development. Initially distrustful of Sailor Moon, viewing her kindness as a weakness that would prevent her from making the hard choices, Haruka is forced to reassess her beliefs. When both she and Michiru are revealed to be the long-sought holders of the Talismans, she witnesses Sailor Moon's determination and compassion firsthand. This eventually leads her to place her faith in Sailor Moon, acknowledging that her brand of strength and pure-heartedness is another, perhaps better, path to victory. This arc shifts her from a solitary, cold warrior to a reluctant but loyal ally.

As a Sailor Guardian, Haruka transforms into Sailor Uranus, the Soldier of the Sky, wielding the power of wind and light. She is one of the physically strongest and most aggressive warriors, often preferring direct combat over magical attacks. Her signature abilities include World Shaking, an attack that channels the power of the sky into a devastating shockwave on the ground. Her primary weapon is the Space Sword, which is also one of the three Talismans she seeks. With this blade, she performs Space Sword Blaster, a technique that fires powerful, blade-like gusts of wind at her enemies. Her prowess is such that in her civilian form, she is an exceptional hand-to-hand fighter and a highly skilled runner.