Ratchet is a veteran Autobot medic and engineer in the Transformers series. He is known for his gruff, practical personality, strong sense of duty, and deep expertise in repair and battlefield medicine. Often serving as the team’s doctor, he keeps other Autobots functioning under extreme conditions while also contributing technical support and problem-solving. Depending on the series, Ratchet may be portrayed as a compassionate caretaker, a weary soldier, or a sarcastic but loyal ally who plays a vital support role.