A guide to the three new witchers in 'The Witcher' Season 2

Just when everyone got "Toss a Coin to Your Witcher" out of their heads, Netflix announced the casting for seven new characters who will appear in the second season of The Witcher. Three of those characters should be familiar to anyone who has read Andrzej Sapkowski's books or played CD Projekt Red games‚ because they are...wait for it...also witchers. 
Season 1 ended with Geralt finally meeting his Child Surprise Ciri and leads directly into the plot of Blood of Elves, the first full