A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. A character letter plays a dual role.There's not time to read all that comes before a judge to read. 2. A character recommendation letter for court is a document that provides insight into your character and personal attributes. Be totally honest, talk about the persons positive traits. What you know they have done to better themselves while incarcerated. The best character letters often begin with the writer explaining who he or she is and what he or she does. How do I address a Judge in a character reference for the court? California Superior Court in San Diego. In every character letter, the writer must know how to format the letter and address the judge.