Had one back in the early 70s. Gentle as a lamb around my old grandmother, but pretty rough and tumble with able-bodied folks. Not a mean bone in his body though. Strong as an ox.
Ran into a beauty of a wolf-malemute cross a couple of years ago. This one was also very gentle and calm. Just gorgeous. I'd rather have one of the crosses than some of the purpose-bred fighters that you see people walking around with, but I prefer wolfy breeds anyway, like this guy: