Mīme serves as personal aide to Captain Harlock, the sole survivor of an unnamed alien species from a planet near Antares—identified as Jura in the original series. Her world perished when the Mazon ransacked it, leaving the planet barren. Harlock discovered her, offered aid, and she joined his starship Arcadia crew, devoting herself utterly to his cause and safety, forging an unbreakable bond. Her appearance reflects Leiji Matsumoto’s stylized designs: a willowy frame, long flowing hair, pupil-less eyes, and pale or blue skin across adaptations. Hair color varies, and some iterations lack a visible mouth, though she communicates, absorbs liquids, and consumes alcohol. She typically wears a long, loose dress in lavender or similar hues. Mīme embodies calm wisdom and empathy, maintaining stable ties with every Arcadia crew member. She holds unwavering faith in Harlock’s ideals and grasps the brutal truths of space combat. Her empathic nature lets her serve as counselor, soothing pain or anxiety among the crew—sometimes through strumming a lap harp. Her species treats high-proof alcohol as staple nourishment rather than for intoxication, though excess induces drunkenness and sleep; she shares drinks with Harlock and Doctor Zero. Her abilities include minor psychic powers, primarily telepathy used sparingly in crises. Some series expansions grant her prophetic visions or future-sight. She exhibits endurance, requiring little sleep. In the 1999 *Harlock Saga* OVA, her backstory reimagines her as a Nibelungen from Valhalla: she defects after opposing her brother Alberich, gains time-manipulation abilities, adopts a more humanoid form, and masters the pipe organ. This diverges from her Jura origin. The 2002 *Endless Odyssey* OVA reverts to her classic design and history. The 2013 CGI film depicts her with visible facial features, including a mouth, and a distinct role deploying warheads to disrupt the timestream for Harlock’s mission. Her loyalty endures amid crew conflicts. Across all media, her core narrative centers on profound devotion to Harlock, epitomized by her vow to follow him "to the depths of Hell." Her integration as a trusted, vital Arcadia member underscores her significance beyond alien origins.