Webnovel Author: Nerdy_stoner - Fanfic Collection

that is more of a grey area in the actual show, because none of the doppelgangers, that were turned into vampires, ever had their blood used with a spell, Infact Klaus only wanted to turn Elana human again because her blood doesn't have the same ability to turn hybrids (that was more not being human blood anymore but still) until the Travelers, but at that time i believe Stefan, and Elana, were the very last doppelgangers to ever exist, so there would never be another doppelganger. I just choose to make it. where vampire doppelgangers, blood has a particular effect on those they turn. but that will be explained later

I personally see ana de armas, in the role, but every time I posted a gif of her it would be deleted the next day i don't know why. but you can see anyone you want in these roles.

it fits her very well

If you mean in real life, here you go. A doppelgänger (/ˈdɒpəlɡɛŋər, -ɡæŋər/), sometimes spelled as doppelgaenger or doppelganger, is a biologically unrelated look-alike, or a double, of a living person. In fiction and mythology, a doppelgänger is often portrayed as a ghostly or paranormal phenomenon and usually seen as a harbinger of bad luck.

well in the show, it's pretty much a cloned physical body, or shadow self, of the first immortal man, and woman, they have a supernatural, allure to them, and their blood, is an important ingredient, for a witches spell craft.

not original vampires, the only type of werewolf bite, that is deadly to the original vampires, is the one Lucien Castle, and Marcel, had which had the venom of all the packs mixed into one used in the original 2.0 spell

ah it will be explained in the next two chapters,