Chan is a technical officer for Londo Bell who helps Amuro supervise the development of his ν Gundam during the Second Neo Zeon War.

~!Her relationship with Amuro earns her the wrath of Quess Paraya, who calls her a "disgusting hag" and ultimately betrays Amuro when he attempts to stop Char Aznable before he carries out his plan to drop the Axis asteroid onto Earth.!~

(Source: Gundam Wiki)

U.C. 0093. 13 years have passed since the events of the original Mobile Suit Gundam series. But the foundations of peace are once again threatened by a new Neo Zeon army, led by the infamous Char Aznable! Their ultimate goal is to plunge Earth into a nuclear winter, forcing humanity to emigrate completely into space. Armed with the state-of-the-art Nu Gundam, Amuro Ray and his Federation comrades are all that stand against Neo Zeon. Torn between vengeance, duty, and love - the final battle is at hand!
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(Source: Sunrise)

Nicole Leroux is voice actress who works for Ocean Group. She is known for the voice of Chan Agi in Char's Counterattack and Ranpha Franboise in Galaxy Angel.

U.C. 0093 - Char Aznable, the infamous "Red Comet" of the One Year War, has come out of hiding to lead the Neo-Zeon Army and wage war against the Earth Federation. Only his greatest rival, Gundam pilot Amuro Ray, can stop him from dropping the Axis asteroid on Earth and causing a major global catastrophe.
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(Source: Anime News Network)