A character letter plays a dual role. 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? A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. A character letter is designed to show support for a defendant in a criminal case. These letters have the potential to influence the court. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. I am competent to testify as to the matters set forth herein and if called as a witness would testify as set forth below. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document.