The Messenger is sent by Don Pedro to announce his coming to Leonato.
More than a mere letter-carrier, he knows enough to be able to fully answer all questions put to him, including the names of the best fighters and Benedick’s humor. He is not fully prepared for Beatrice’s wit or the tenor of her comments on Benedick. He comes to tell Leonato that they are ready for him at the church and later reports to Don Pedro that Don John has been caught.