Who is Apollon from Notes from the Underground and what is their importance?

Apollon is the writer's servant. The writer talks of his hatred for the man because Apollon always carried himself with an air that made it clear that he felt himself superior to those around him—including his employer, the writer. According to the writer's description, Apollon deigned to do little for him and was a tailor on the side. For example, as the writer was preparing to go out with friends, he borrowed the polishing brush in secret to give his boots a second shine because Apollon would never have polished the boots twice in a single day.