He has his own weapons 10mm pistol and his Toothpick (Switchblade)
Uses the Greaser outfit
In areas he says something about them in his idle chatter
This place gives me the creeps. at the Salem Witch Museum
Whew. Man, it stinks. at the dead sea
I was going make him a barber as that his job was from the goat test result but i don't know anything about scripts
was a good idea
Location
The dug out Inn as he like Bars plus it reminded him of The Muddy Rudder
Optional requirement
but i recommend it as he is a Tunnel Snake Tunnel Snake outfit adds that in his inventory
Optional File
Adds a older looking Butch in the Tunnel snakes rules mod in Creation Club
look in pics
Credits
RazorWolfz for the Butch presets Companions of Fallout 3 and New Vegas - Presets
How to make him voiced
use this fallout 4 tool Lazy Voice Finder use it on the Fallout 3 game as it should support that game
use creation kit to find the dialogue for his voice use voice finder to know what dialogue to use
make directory like this one
Sound\Voice\Butch.esp\NPCMButch
put wav files in there
in fallout 4 folder/tools there should be creation kit move all files to the fallout 4 exe
use that for his lip sync