The Boxer is a medium to large-sized breed known for its muscular build, square jaw, and distinctive underbite. They have a short, smooth coat that can come in various colors, including fawn and brindle. Boxers are playful, energetic, and loyal companions, often forming strong bonds with their families. They are known for their exuberant personality and are often referred to as clowns due to their playful antics. Additionally, Boxers are intelligent and trainable, making them versatile working dogs in various roles such as therapy, assistance, and search and rescue.