/npc <name> <name of world> [Player's UUID (this player's skin will have the NPC)] <command (without "/")> - This command will create an NPC
/npclist - This command will print all NPCs with their UUIDs
/npcremove <NPC UUID> - This command will delete the NPC whose UUID you entered
This plugin gave me a lot of work, I will be happy if you rate this plugin, if you like it, if you suggest some modifications, if they are good, I will implement them. Thank you for your feedback