Carl Gallagher is a fictional character from the television series Shameless, which aired on Showtime. He is portrayed by actor Ethan Cutkosky and is the youngest son of the Gallagher family. Carl is known for his mischievous behavior and often finds himself in trouble, reflecting the chaotic environment of his upbringing. Throughout the series, Carl evolves from a troubled child into a more responsible young adult. He grapples with various challenges, including family dynamics and personal growth, while navigating his teenage years. His character highlights themes of resilience and the impact of a dysfunctional family on individual development.