Dr. Emmetta Brownette is an old lady Maxcell Jones met at the park. Her favorite hobbies are time keeping and theoretical physics. She work as a professor at the local college. She an extremely innocent but there something enigmatic about her. 

Is an elderly woman but yet have a strong, spunky voice. She has a certain warmth in her voice but there a air of mystery surrounding her, Can drastically alter her voice depending on the circumstances. Bit of a eccentric. Think of the Oracle from the Matrix when recording the lines. Don't need to sound like the stereotypical grandmother.