Arthur's a considerate, humble, and unpresuming individual who labels himself as "somewhat unfortunate yet ordinary" and describes his existence as "humdrum." He's profoundly passionate about writing and dedicates his time to it when he's not working. However, having only managed to publish one story, he's very insecure and un-confident regarding his creative writing skills; when Ciel stated that his work is novel, fresh, and imaginative, he - rather self-deprecatingly - blamed his own pretentiousness for writing about something beyond his expertise. Thus, he exhibits signs of an inferiority complex, as he's prone to dismiss any compliments by putting himself down. Moreover, Arthur is extremely knowledgeable about renowned and famous people, and is able to correctly identify several of the eminent guests at Ciel's banquet. Nevertheless, he gets easily agitated and self-conscious in their presence and typically minimizes his own importance by sitting in solitude. Despite his lack of self-confidence, Arthur's a very competent and responsible man, as evidenced when he was appointed leader of the investigation at Ciel's banquet and organized the alibi list. Furthermore, he's eager to learn new things, such as when he asked Lau to explain the Japanese "baritsu" Tanaka employed while taking notes. He's also perceptive, and is quick to comprehend the particulars, such as when he realized Sebastian cannot possibly be human. Reflective and intrigued by mystery, he would invest significant time into pondering about situations that puzzle him. Additionally, Arthur deeply cares for children, especially since he has ten siblings and a younger brother. (He calls his 13-year-old brother, Ed, a "snot-nosed brat.") He's also fluent in French. Arthur is one of the few human characters to have seen Sebastian's demon form and survived; the only person apart from him is Ciel....