Doreen (Dorinha in Portuguese) is a recurring character in Monica's Gang.
A kind and friendly blind girl. She has a pet dog named Radar, who serves as her "eyes".
Doreen is fair-skinned and has short brown hair. She wears a pink shirt with a light blue D, a blue skirt, and pink sneakers.
- She is based on (and named after) Dorina Nowill.
- She is one of the handicapped characters, the others being Luca and Hummer.