From the introduction:
Infernal Familiars, Companions & Pets
Welcome, welcome one and all to Bearthazar’s House of Friends!
Here, you’ll be matched with a cretinous critter, improper imp or faustian familiar that suits your infernal expectations.
These familiars are handpicked from the strangest and most irregular imps, lemures and nupperibos to emerge from the River Styx. There are no refunds.
Are you ready to meet a new friend?
Now step inside.