Run Elsie Jewelria is a prominent character in the anime series 'To LOVE-Ru'. She is an alien idol from the planet Memorze, known for her vibrant personality and stunning looks. Run is unique due to her ability to switch genders, transforming into a male counterpart named Ren when sneezing. This duality adds complexity to her character, as she navigates her career and personal life. Her presence brings both comedic and dramatic elements to the series, as she develops feelings for the protagonist, Rito Yuki, creating a love triangle with other characters.