Donatello is incredibly book smart. He is incredibly skilled, having "a way with machines". He is a pro scientist, mechanist, and mathematician. He devotes more of his time to studying technology, biology, physics, chemistry, mathematics, metallurgy, and eventually astronomy. Donnie is a mutated anthropomorphic teen ninjutsu turtle warrior with brownish green skin.  Donnie has a gap between his teeth. wears a purple bandana. He is 6 foot tall. His eyes is Reddish Brown.