Lip Gallagher is a fictional character from the television series Shameless, portrayed by actor Jeremy Allen White. He is the eldest son of the Gallagher family and is known for his intelligence and academic talent, often struggling with the challenges of growing up in a dysfunctional household. Throughout the series, Lip grapples with personal issues, including substance abuse and relationships. His character often serves as a representation of the pressures faced by young adults in difficult circumstances, balancing his aspirations with the realities of his environment.