Justin Russo is a fictional character from the Disney Channel television series Wizards of Waverly Place. He is portrayed by actor David Henrie and is the eldest son of the Russo family. Justin is known for his intelligence and dedication to mastering magic, often taking on the role of a responsible older brother to his siblings, Alex and Max. Throughout the series, Justin faces various challenges as he navigates his teenage years while balancing his magical training. His character often embodies themes of growth, responsibility, and the importance of family, making him a relatable figure for the show's audience.