(Disclaimer: If you do not subscribe to the idea that R+L=J, this theory is not for you; it is dependent on believing that the text proves Jon as Rhaegar and Lyanna’s son.) The theory is that Daenerys, Jon, and Tyrion are the 3 heads of the dragon because they are so uniquely similar to one another. I support this theory by drawing a list of similarities shared between all 3 characters; similarities which meet a specific criteria: 1) The similarities are independent of one anot