Bullmastiffs have docile temperaments with their families. (breedingbusiness.com)
You can expect the Beagle Bulldog mix to have a very docile temperament, although they can be a little hyperactive from time to time. (dogbreedanswers.com)
Snakes and More Sand boas are a primarily African genus of small fossorial snakes with beady eyes and typically docile temperaments. (petbusiness.com)