Stella

Stella is the leader of the invanders who invade Oriko's city, and at one point gets stranded on Earth while trying to invade Oriko's city. She starts out as a main antagonist, and tries to overthrone Oriko several times. Eventually she befriends Oriko, and joins her squad. She comes off as spoiled, bratty, and selfish, but deep inside she's a caring and sweet person. She loves Gimlet, her servant and father figure.