Stuart Bloom is a fictional character from the television show The Big Bang Theory. He is portrayed as the owner of a comic book store called Stuart's Comic Book Store, which serves as a gathering place for the main characters. Stuart is known for his quirky personality and often struggles with self-esteem and financial issues. In the series, Stuart is depicted as a kind-hearted and loyal friend, often providing support to the main characters, including Sheldon Cooper and Leonard Hofstadter. His character adds humor and depth to the show, highlighting themes of friendship and perseverance in the face of challenges.