The character letter allows the judge to hear about how others view the defendant. Sample Format for a Character Letter.If you have been asked to write a character letter, this simple template may be a useful guide. First Paragraph: Explain who you are. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. State your issue clearly. 3. Avoid name calling, such as, " My lawyer was no good. The first paragraph should tell the judge who you are writing to him about and how you know the defendant. You'd also want to say how long you have known her. If you've been asked to write to the judge, use our sample character reference letter and fill-in-the-blank template.