Can I sue the same person in small claims court for 2 different cases?

Question Details: The customer still owes me money for work I completed on his home. The same customer slandered me, my business, my family and their children on social media. The customer lied, said he has video of my family and I stealing from him. He lied about the work to be performed and completed. He lied about current lawsuits against me and even provided fake case numbers on social media. He even lied about the original contract he signed. I have had to call the police three times because of harassment and threats he made against my family and I. He contradicted his lies on each of his post on social media. Possible customers notified me that they would never hire me because of his post. Due to his posts I cant count the amount of negative post that were posted on social media against me, by people I have never met. I have over 50 pages of lying, vulgar, and contradicting text messages by him. I also have copies of all negative comments and postings by him and others who commented on his posts on social media.

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