Sample Format for a Character Letter. If you have been asked to write a character letter, this simple template may be a useful guide.A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. If you've been asked to write to the judge, use our sample character reference letter and fill-in-the-blank template. What's a character reference letter? The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. Court Forms and Instructions. Completing the Forms.