Original Name エウレカ
Romaji Name Eureka
Nicknames The Girl
Series Koukyoushihen Eureka Seven
Age About 14-16
Weight Unknown
Height Unknown
Date of Birth Unknown
Blood Type Unknown

Eureka – The enigmatic protagonist of Koukyoushihen Eureka Seven


Eureka, the main character of the anime series Koukyoushihen Eureka Seven, has a multifaceted personality that adds depth to the story. At first, she may seem distant and awkward in her interactions with others. Eureka finds it difficult to communicate and understand human emotions. However, despite her social difficulties, she demonstrates a deep empathy for the Nirvash Type Zero, the sentient mecha she pilots. Seeing the Nirvash as more than just a machine, Eureka treats it as a living being with consciousness and emotions. Her genuine concern for the Nirvash’s well-being reflects her compassionate nature.


Eureka’s origin and background play a pivotal role in shaping her character and the overarching storyline. It is revealed that she is actually a Coralian in human form, sent by the sentient Scub Coral to understand and communicate with humans. This revelation adds a layer of intrigue to Eureka’s identity and purpose. Coming to terms with her true nature and finding acceptance from others become major challenges Eureka must face throughout the series. Her unique background contributes to the exploration of complex themes of identity, belonging, and the blurred lines between different life forms.


Eureka’s physical appearance is distinct and captivating. She is portrayed as a pale young girl with striking turquoise hair and lavender eyes. Her ethereal appearance adds to the enigmatic aura surrounding her character. Eureka’s design reflects her connection to the show’s futuristic and otherworldly setting. The visual contrast between her unconventional appearance and the more mundane human characters further emphasizes her role as an outsider.


As the pilot of the Nirvash Type Zero, Eureka possesses exceptional piloting skills and a deep understanding of the mecha’s capabilities. She demonstrates remarkable agility and finesse in combat situations, utilizing the Nirvash’s advanced weaponry and maneuverability to great effect. Eureka’s ability to form a deep emotional bond with the Nirvash enhances their synchronicity, making her a formidable force on the battlefield. Her unique abilities and connection to the Nirvash contribute greatly to the action sequences and overall narrative of the series.


Eureka’s origins lie in the realm of the Coralian, a sentient and mysterious being known as the Scub Coral. Sent to Earth in human form, Eureka serves as an emissary to understand and establish communication with humans. This origin story sets the stage for the exploration of humanity’s relationship with the enigmatic Scub Coral. Eureka’s journey to understand her purpose and reconcile her dual nature as Coral and human drives the narrative and provides insight into the complex dynamics between different life forms.

Eureka – FAQ

What is “Koukyoushihen Eureka Seven”?

“Koukyoushihen Eureka Seven” is an anime series that aired from 2005 to 2006. It is a mecha and science fiction show set in a future world where humanity is divided into two groups – the military organization known as the Gekkostate and the oppressive government. The story follows Renton Thurston, a young boy who gets involved with Gekkostate and meets a mysterious girl named Eureka.

Who is Eureka in “Koukyoushihen Eureka Seven”?

Eureka is one of the main characters in “Koukyoushihen Eureka Seven”. She is a member of the Gekkostate, a humanoid alien called a Coralian, and the pilot of the LFO (Light Finding Operation) Nirvash. Eureka possesses unique abilities and plays a pivotal role in the series’ central conflict involving the mysterious Coralians.

What are the Coralians in “Koukyoushihen Eureka Seven”?

The Coralians are a mysterious alien species in Koukyoushihen Eureka Seven. They are large, sentient creatures made of energy that inhabit the planet. The Coralians possess immense power and the ability to shape reality. Their existence becomes a central focus of the story as their encounters with humanity lead to significant changes in the world.

What is Gekkostate in “Koukyoushihen Eureka Seven”?

Gekkostate is a rebel group in the “Koukyoushihen Eureka Seven”. Led by Holland Novak, Gekkostate opposes the authoritarian government and fights for freedom and individuality. They are a group of outlaws who pilot LFOs and engage in various missions and adventures throughout the series.

What is an LFO in “Koukyoushihen Eureka Seven”?

LFO stands for Light Finding Operation in “Koukyoushihen Eureka Seven”. LFOs are humanoid vehicles that function as mechas in the series. They are piloted by humans and have various combat abilities. The LFO Nirvash, piloted by Eureka, is one of the most important and powerful LFOs in the series.

Is “Koukyoushihen Eureka Seven” suitable for all ages?

“Koukyoushihen Eureka Seven” is generally considered suitable for older audiences, especially teenagers and adults. The series deals with complex issues such as war, identity, and the nature of existence. It also contains some violence and intense scenes that may not be suitable for young children.