Kevin Sussman played Stuart Bloom, the owner of a comic book store in The Big Bang Theory. His character evolved over time and became a more integral part of the story, with his romantic endeavors adding comedic moments to the show. Sussman's biggest regret was that his character's relationship with Denise was never given enough screen time due to the show ending unexpectedly after Jim Parsons, who played Sheldon Cooper, failed to renew his contract. Despite this, Sussman's portrayal of Stuart left a lasting impact on fans and co-stars alike.