Donatello is the smartest, gentlest, and most inquisitive of the turtles. He relies heavily on high-tech equipment and gear. His unmatched intelligence is an asset to his brothers, who rely on him for all their technical needs. Donatello tends to speak lots of tech slang. Donnie doesn't do a lot of sleeping. He is high-strung and prone to nervousness/anxiety, being a bit shy and socially awkward around people. He doesn't share his feelings much. Donnie tends to be socially unaware.