Miniature bull terriers differ greatly in temperament from one individual to another. Some are mellow, easygoing couch potatoes, while others are bundles of intensity. They typically are active, smart, people-oriented dogs and great companions for people of all ages. They seem to have a built-in sense of humor. Their unpredictable antics are immensely appealing. Sturdy dogs, they live to 10-12 years or more. They are comfort loving, clownish, mischievous, stubborn, curious and intense. Some are good obedience or agility prospects; others are great hunters. Many are good watchdogs and most are confirmed lapdogs.