Alex Moran is a fictional character from the animated television series Big Mouth. He is known for his humorous and relatable experiences as a teenager navigating the challenges of adolescence, including friendships, relationships, and the complexities of growing up. In the show, Alex often finds himself in awkward situations that highlight the struggles of puberty and self-discovery. His character adds depth to the series by showcasing the importance of communication and understanding among peers during formative years.