エウレカ, Eureka Zita Eureka Thurston (エウレカ・サーストン)
Age: 14 16 Eureka Seven 30 32 Eureka Seven AO Relatives: Maurice adoptive son Maeter adoptive daughter Linck adoptive son Eureka is a member of Gekkostate and the pilot of the Nirvash type ZERO alongside her copilot Renton Thurston A bit of an enigma Eureka is a young girl who has trouble communicating with and understanding people. She speaks very calmly and directly and due to her initial lack of empathy often comes across as blunt. She is often perplexed by other peoples emotions and behaviors making her naive especially when it comes to interpersonal relationships.