[kbalor]

Try those links I mentioned below:

In-game NPC Creater

INC - Controllable NPC

Plugin - NPC Controllable

Tutorials
Finished NPC Tutorial
Everything about NPCs

It might be complicated to use above at first but when you get used to it then it will be like a chicken nuggets.
Anyways, you can still find different FS or tutorials. ****** is your friend.