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 recommendation letter for court is a document that provides insight into your character and personal attributes.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 best character letters often begin with the writer explaining who he or she is and what he or she does. Defend a friend or family member's moral character in court. Use our Character Reference Letter for Court template to easily write your document. There's not time to read all that comes before a judge to read. 2. The character reference letter for court serves the purpose of offering the Judge insights into the Defendant's moral or mental attributes. How do you write an Affidavit of Character letter?