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 is designed to show support for a defendant in a criminal case. These letters have the potential to influence the court. Learn how to write a powerful character letter to a judge on behalf of your son. Basically anything they would like to say about you, preferably positive. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. Use this template to create a powerful character reference letter for court. Browse sample formats and examples for inspiration. Character Reference Letters and Letters of Recommendation are useful in defending an Orange County DUI case, as prosecutors and judges use them in court.