M is the twelfth letter of the English alphabet and has a numerological value of '4'. Some Marvellous brand names starting with 'M' include Microsoft, Mirinda, Magi, Mc Donald, Mercedes Benz, Morgan Stanley, 3M, MTV, Master Card, Moet & Chandon, Mcafee, Mitsubishi, Maserati, Mazda, MGM, Marlboro, Mobil, MetLife, Motorola and MSN.