Haruko Haruhara is a central character of the FLCL series, Mabase's newest resident, and an extraterrestrial investigator for the Galactic Space Police Brotherhood. She becomes the Nandaba household's maid while working to find Atomsk, the most powerful space pirate in the galaxy. She leaves Earth in FLCLimax, but returns as a teacher in Mabase in FLCL Progressive. In FLCL Alternative, she's back on Earth again tackling a whole host of new Medical Mechanica problems.