Buster Bluth is a fictional character from the television series Arrested Development. He is portrayed by actor Tony Hale and is the youngest son of the Bluth family. Buster is known for his childlike demeanor, quirky personality, and close relationship with his mother, Lucille Bluth. He often struggles with independence and has a unique perspective on life. Throughout the series, Buster experiences various comedic misadventures, including his time in the military and his interactions with other family members. His character often serves as a source of humor and absurdity, contributing to the show's overall satirical take on family dynamics and wealth.