A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. 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. A character letter plays a dual role. Provide this sample letter and character letter outline to friends or relatives you ask to write a letter of support to the judge on your behalf. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document.