Ruben is the author's best friend. He has blonde hair, green eyes, and is tall and thin like the author. He enjoys playing football and spending time with children because he is studying to become a teacher. Last summer, Ruben worked as a monitor at a children's camp. He lives in the country and sometimes hosts barbecues. Ruben has a twin brother named Daniel. He is a good friend who is always willing to help others and stays out of trouble.