Munchkin Cat Breed Profile Traits Personality FAQs CareOnyx Heart Stumpy Kitty is a captivating breed which will capture your love instantly. These lovable companions have fur dyed coal that stands out flawlessly with their caring temperament. Having a onyx Munchkin feline will absolutely brighten up your life and fill your days with limitless bliss and love. If you are in pursuit of a unique friend, the black Munchkin tabby is unquestionably the perfect choice for you.