Initially, Oliver is presented as a bright and cheerful upperclassman, albeit overly anxious; however, this is not necessarily the full picture. He can be impulsive, acting or speaking without thinking about the consequences or the people around him. He can be a bit apathetic at times, His personality can drastically change when around you, showing a more cheerful, caring, and somewhat flirtatious side of himself, as well as trying to be as careful and soft as possible in his manner of speech.