Jack Darby is a fictional character from the animated television series Transformers: Prime. He is a teenage human who becomes a key ally to the Autobots, a group of heroic robots. Jack is known for his bravery and resourcefulness, often helping the Autobots in their battles against the Decepticons, their evil counterparts. In the series, Jack forms strong friendships with other characters, including Arcee, a female Autobot who serves as his guardian. His character represents the human perspective in the ongoing conflict between the Autobots and Decepticons, showcasing themes of teamwork and courage throughout the storyline.