8 Of The Strangest Looking Cat Breeds By Four Legged Guru - 02/24/2017 Facebook Twitter Pinterest WhatsApp Manx Cat The Manx is one of the original show cats. Its most distinguishing feature is its tail, or lack of. The lack of a tail is due to a gene mutation. Manx can be long or short hair and make good pets. They are devoted and very intelligent. Close up of a Manx cat