A character letter is designed to show support for a defendant in a criminal case. These letters have the potential to influence the court.A character recommendation letter for court is a document that provides insight into your character and personal attributes. Introduce yourself in the opening paragraph. You can go to the courthouse and request to review them from the court file. They are public records. A character letter plays a dual role. How do I address a Judge in a character reference for the court? California Superior Court in San Diego. , Optical Character Recognition (OCR).