Teletha Testarossa

Teletha "Tessa" Testarossa (テレサ・テスタロッサ) is a character in the Full Metal Panic! series. Tessa is the clumsy captain and creator of the Tuatha De Danaan submarine and Dana, the sub's Artificial Intelligence. She belongs to Mithril, an Anti-Terrorist private Military organization. She is a U.S. American by birth but has lived on submarines and military bases most of her life. She was born December 24, 1984 and is a child prodigy who achieved the rank Colonel by age of 16. She has silver/platinum hair and gray eyes.