This is not a plugin, but this is a Skript.
All settings (chat prefix, join message and quit message) can be changed in the .sk file
*/Commands and Permissions/*
- /join <name of fakeplayer>
Run a broadcast with a fake join message
- /quit <name of fakeplayer>
Run a broadcast with a fake leave message
- /chat <message>
/chat Hello friends!
The fakeplayer Fantasy2001 write in chat: Hello friends!
- /bc <message>
Send a broadcast (similar to the /broadcast command of essentials plugin)
Download Skript plugin HERE
Put Skript.jar in the plugins folder
Start and stop the server
Enter in the Skript folder
Enter in the scripts folder
Put FakePkayers.sk in the scripts folder