Two year old grandson and our 8 year old dobbie. The dobbie weighs in at 110, a bit oversized for his breed, but not a bit of fat on him. He does a good job of keeping the illegals off the property and strangers don't get out of their car when they pull into the driveway. But when the grandkids come over he turns into a wimp. You can't get close to these kids when he's around and I truly believe he would kill you if you tried to do anything to them. He and the kids are just like velcro.