Kevin Sussman as Stuart Bloom – Then:
Kevin Sussman was introduced to the show as Stuart during the second season, as the owner of a comic book store that the guys frequent in Pasadena. Though he isn't one of the group's core members, Stuart often pops up during their misadventures, though the character struggles even more than they do to fit in. Stuart is characterized by his often depressed demeanor, which is usually the result of some mishap or another.
