Name meaning: rabbit on the moon
Birthday: June 30
Zodiac Sign: Cancer
Senshi Position: Inner Senshi, Moon Princess
Element: none really
Fighting Style: offensive
Secret Weapons: being the Moon Princess, possessing the Ginzuishou
Favorite Color: white
Hobbies: eating, sleeping
Favorite Subject: Home Economics
Worst Subject: math and English
Favorite Food: cake, ice cream
Favorite Gemstone: diamond
Family: parents and a brother (Tsukino Kenji, Tsukino Ikuko, and Tsukino Shingo), all alive and shown
Dream: to be a bride
Seiyuu: Mitsuishi Kotono, Araki Kae (episodes 44 through 50 only)
As Sailormoon, Usagi is the leader of the senshi and debatably the most powerful (I personally think that Saturn is, but that's a matter of opinion). At first she didn't want to accept the fact that she was Sailormoon, but she learned that it was her destiny and there was nothing she could do about it. She has sacrificed her own life many times to save the other senshi and Mamoru or Naru. She cares very much for her friends and would do basically anything for them.
She tends to develop close relationships with people she starts out to dislike, such as Luna, Rei, and Mamoru. Luna, her guardian cat, is a good friend to her, almost like a parent although they're both the same age. Even though Luna may criticize her or nag her occasionally, it's for her own good and Luna only does it because she wants Usagi to become a better person. As for Rei, though she acts a bit cruel to Usagi sometimes and makes her cry, Rei is probably her best friend of all the senshi. Like Luna, she only criticizes her because she wants her to do better.
And Mamoru, well, he loves her and she loves him (oh come on guys, like you needed me to tell you that? ^_^). At first, they couldn't stand each other. Mamoru was always calling her stupid and "odango atama" (dumpling head, because of her hairstyle). But once they realized their destinies, and about how they were together in their past lives, they learned to tolerate each other. Usagi affectionately refers to him as Mamo-chan, and he calls her Usako (bunny child). She may drool over cute guys she sees on occasion, as Mamoru may flirt with another girl (like Ami, for instance), but it doesn't mean anything. She and Mamoru are required, by destiny, to be together. They eventually marry, he being King Endymion and she being Neo-Queen Serenity of Crystal Tokyo. And they have a daughter, Usagi Small Lady Serenity aka Chibiusa. Mamoru may act cold to her on occasion, but that's just because he isn't too comfortable about showing his feelings. Sometimes it seems like she worships him and he could care less, but that isn't the case. He does tell her, at the beginning of Sailorstars (the last season) that he loves her (FINALLY!). They split up a lot, and it seems like their relationship is always at the breaking point sometimes, but you can tell it's real love and not just some on again/off again, typical junior high school relationship.
Moon Crystal Power, Make-Up: Usagi's transformation phrase to transform into Sailor Moon after her brooch is destroyed in R.
Moon Cosmic Power, Make-Up: Usagi's transformation in SMS.
Moon Crisis, Make Up: Usagi's transformation to become Super Sailormoon
Moon Eternal Make-Up: Usagi's transformation into Eternal Sailormoon
Moon Power...ni nare: Not really a transformation, but it's what she says to disguise herself. She says "Moon Power," then what she wants to disguise herself as, then "ni nare."
Moon Tiara Action: Sailor Moon takes off her tiara and throws it at her enemy, it stuns them or injures them
Moon Healing Escalation: Sailor Moon says this to turn monsters back into humans.
Moon Princess Halation: What Sailor Moon says in R to destroy monsters
Moon Spiral Heart Attack: Sailor Moon's attack in S using the Spiral Moon Heart Rod. She waves the rod around and heart ribbons weave around the enemy and they sorta blow up
Rainbow Moon Heart Ache: Super Sailor Moon's attack in S with the Spiral Moon Heart Rod. Like Moon Spiral Heart Attack, only different.
Moon Gorgeous Meditation: Sailor Moon's attack using the Moon Kaleidoscope in SuperS
Starlight Honeymoon Therapy Kiss: Eternal Sailormoon's healing power
Silver Moon Crystal Power Kiss: an attack that Eternal Sailormoon gets from ChibiChibi
Luna Pen: What she uses to disguise herself
Communicator: A communication device that all the senshi have
Moon Stick: The wand that Sailor Moon uses to heal youma in the first season
Ginzuishou: The Silver Crystal and the source of Sailor Moon's power
Crystal compact: What she uses to transform in SMR
Cutie Moon Rod: What she uses with her attacks in SMR
Communicator Watch: Another communicator that the senshi get
Cosmic Heart Compact: Her transformation compact in SMS
Spiral Heart Moon Rod: Her weapon that she uses with her attacks in SMS
Holy Grail: Formed when the Talismans come together, she uses it to transform into Super Sailormoon the first time
Crisis Moon Compact: What Usagi uses to transform into Super Sailormoon
Moon Kaleidoscope: What Super Sailormoon uses with her attacks
Eternal Compact: What turns Usagi into Eternal Sailormoon
Eternal Tier: What Eternal Sailormoon uses with her attacks
Rumors/things you may
have heard but aren't true