Dogmeat might be the mos trustworthy and faithful companion found in Fallout 4, but if you send Fallout4mods. If you have more than one companion, the game might freak out trying decide which one is supposed to talk. It's best to strike a good balance between performance and quality, especially if the player intends to have a monster load order. This page lists all companions in Fallout 4.
I tested this with 2 Multiple Followers Overhaul - Nexus Mods :: Fallout 4 › See more all of the best online courses on Companions Loads of new companions just eager to hit the road and pump raiders full of lead.