High Quality Content by WIKIPEDIA articles! Sailor Moon is a fictional character in the Sailor Moon metaseries and the main protagonist of the franchise, as well as its title character. Her civilian name, Usagi Tsukino , becomes Serena Tsukino in the English-language versions. A carefree schoolgirl, she can transform herself into the de facto leader of the series' primary heroines, the Sailor Senshi. Due to the series' widespread popularity in many countries and to her distinctive and oft-copied odango hairstyle, she has become one of the most immediately recognizable and iconic anime characters worldwide.