Simply put no, 2.8 is not a good GPA because the national average is a 3.0 GPA so you would be below average. This GPA can spell trouble for a freshman. It might make you feel discouraged about your chances of getting into any college, especially one like Harvard or Yale.
Suigetsu was born in Kirigakure and was reputed alongside his brother, Mangetsu, to be the incarnation of the demon Zabuza Momochi. He and Mangetsu aspired to inherit the title of Seven Ninja Swordsmen of the Mist.
Despite being the inheritor of his blade and capable of defeating many shinobi Zabuza would lose against, Suigetsu himself would be vulnerable against his mercenary foe. His aquatic body is a strong defense against most, though Zabuza's jutsu specifically targets (and can rearrange) water itself.