My favorite is LoC, because it starts with my favorite character! Also, a certain group comes along...
Remember that there is also a Female Dragon, in the person of Amaresu (a parallel of Amaterasu, the Japanese Goddess of the Sun). So we'll never know the "original" name of the Male Dragon...just that he was born as LTT in the 2nd Age, and Rand al'Thor in the 3rd Age. Perhaps the next time a "Dragon" is needed, it will be the female soul that is spun out...