Tied with [David](https://anilist.co/character/38207/David-Rutherford) to be the oldest surviving member of the CCC, Arthur was well-liked among the CCC and a chief confidant of Roanne despite his tendencies of weakness, cowardice and a weak will that made him prone to emotional outbursts and ramblings. Since he harbours a deep crush on Simone she uses this to her advantage in order to get him to do whatever he wants, exploiting his "eager to please" nature.
