Mrs. Little's Ring

Mrs. Little's ring symbolizes the positive effects of Stuart's appearance. Although Stuart is seemingly disadvantaged because of his mouse appearance, this appearance enables him to help his family, specifically by retrieving Mrs. Little's ring. In this way, Mrs. Little's ring acts as a physical symbol for how Stuart's appearance enhances his love of home and family.

Snowbell

Snowbell symbolizes the destruction resulting from a lack of friendship. Unlike Stuart, Snowbell does not cultivate meaningful friendships. As a result, Snowbell actively seeks to undermine Stuart, first by framing him when Stuart is trapped in the window shade, and then by plotting to kill Margalo. In this way, Snowbell becomes a symbol of what Stuart should not be: a destructive force with no love of home or friendship.

George

George symbolizes the importance of gentlemanly principles. George himself never follows through on anything, "[spending] the rest...