Usagi Tsukino is the main protagonist of the anime series Bishoujo Senshi Sailor Moon. She is an ordinary schoolgirl who transforms into Sailor Moon, a powerful guardian destined to protect the world from evil forces. Clumsy and carefree in her everyday life, Usagi is known for her kindness, determination, and strong sense of justice. Throughout the series, she matures into a courageous leader, guiding her fellow Sailor Guardians in their quest to defend the Earth and the Moon Kingdom. Her journey is both a personal and heroic transformation.