Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide.The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. It highlights some of the main points of emphasis judges look for. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. 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. Defend a friend or family member's moral character in court.