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. If you have been charged with violating the law, then your lawyer may ask you for "character letters" (sometimes called "mitigation letters"). Sample character reference letter templates you can download and print for free. We provide templates and tips on how to properly address a letter to a judge, ensuring your letter begins and ends with the appropriate formalities. Below is reference of what a letter should contain and a sample of a written letter for your use as a guide. 1. Begin with your personal information. The primary goal of a character letter is to share a narrative about the defendant. It highlights some of the main points of emphasis judges look for.