A person who makes everyone around them happy, does not do anything particularly complicated or stressful, elicits a smile on the faces of others upon the mere mention of their name, and whom people love being around.
Every group of friends and company needs one. In sports, they are referred to as a Locker Room Guy.
Howard: I swear the only thing good about this job is Andy. Every time I am upset or stressed, I go hang out at his desk and feel better.
Alyssa: Ya, he is The Human Version of a Golden Retriever. Management keeps him around for that reason, to sanitize this shit ass job.
Thomas: Smells like shit, tho