Ben: A boy who doesn't like to raise his voice unless the situation is deadly serious.
Dylan: A boy who wants to be a hero!
Jake: A boy who hates to be called cute, no matter how cute he really is.
Gil: A boy who loves being cute, and leverages it to his advantage at every opportunity.
Nathan: A boy who loves life, even when things are rough.
Arthur: A boy who is always deadly serious, and dedicated to taking care of his little brothers.
Clarice: A girl who likes the little things in life, especially her little brothers.
Andrew: Not technically a member of the Reed family; he's a man-of-all-work who lives on the same street. Everybody kind of treats him as an extra brother anyway.
If you know the source of any of the unsourced icons, please let me know! I stripped them from a CYOA which unfortunately did not give artist credit.