Eleanor Need, also known as Elenoa Need (エレノア・ニード), is a medical professional within the Illegal Fairy Regulatory Agency Dorothea's Medical Technology Department. She serves dual roles as both a doctor and a fairy engineer, providing essential medical services and support to her colleagues. Her expertise centers on examining and caring for individuals affected by fairy-related conditions, including assessing the status of fairies residing within patients.

She possesses long brown hair and brown eyes, typically wearing a nurse uniform on duty. Her responsibilities include conducting examinations like the one performed on Marlya Noel following a stabbing incident; during this treatment, her primary concern extended to ensuring the stability of the fairy within Marlya. She expressed frustration toward Free Underbar for failing to adequately protect the patient, demonstrating a protective stance.

Beyond her medical duties, Eleanor participates in social activities with other Dorothea members, such as attending welcoming parties and joining colleagues at bars for informal gatherings. Her role remains strictly non-combatant, with no direct involvement in field operations or utilization of a fairy for combat. She originates from Redrad.