Barry was the working partner of Walden's love interest at the time Nicole. He is a full grown man but due to his youthful looks, childish personality, and short stature - he is often mistaken to be a kid. After Nicole left Malibu to work for Google in San Francisco, Barry was left homeless and without a job. He moves in with Walden temporarily, until Walden decides he's had enough of people moving into his house so he found Barry an apartment. Barry idolizes Walden to the point it's borderline obsession. Nevertheless, Walden takes a liking to Barry and the two become good friends. Despite having his own place, Barry tends to spend most of his time at the beach house hanging out with Jenny (with whom he's also become friends with), or eating their food. Jenny, Alan and Berta mistook him for Jake upon meeting him for the first time.
Since his first appearance on the show, Barry's role gradually becomes more significant. Clark Duke's portrayal of the character has received positive responses from fans and critics.
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