Australian Terriers do not have a good personality. They are famous for their playful and competitive personalities. Although Australian Terriers are small and medium-sized dogs, their courage can be compared with large dog breeds. Australian Terriers They are enthusiastic towards humans but do not get along well with their companions, especially dogs of the same sex. When raising an Australian Terrier at home, it is recommended to train it from an early age so that the Australian Terrier can develop the habit of obeying discipline.