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?In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample 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. 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 to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. We are expert criminal lawyers in Melbourne, Victoria, Australia, and this is a resource for people who need a character reference for Court. Dear Judge Mattison. This is to let the Honorable Court know that your brother is a good person.