For 10 seasons, with its 11th and final forthcoming, The Walking Dead has lumbered across AMC with a hit, splattery combo of zombie horror and character-driven drama. One of the fan favorite characters in recent seasons, a villain so potent and terrifying you can't help but love to hate him, is Negan, played ferociously by Jeffrey Dean Morgan. And now, Negan's family tree is growing: Per Deadline, we will be introduced to Negan's wife Lucille in the remaining, newly ordered episodes of Season 10. And she will be played by Hilarie Burton, an actor who just …