Simplify the following text for a Grade 6 native English-speaking person.
Original: Some of her best-known characters are Henry Huggins , Ribsy , Beatrice ( `` Beezus '' ) Quimby , her sister Ramona , and Ralph S. Mouse .
Simplified: Some of her best known and loved characters are Ramona Quimby and her sister Beatrice ( `` Beezus '' ) , Henry Huggins , Ralph S. Mouse , and Ribsy .