From love triangles to intriguing new supernatural entities — The Vampire Diaries had a sprawling universe and winding lore, which was supplemented by great new characters regularly. The Mystic Falls gang itself was a large one, including Elena, Damon, Stefan, Caroline, Bonnie, Tyler, Jeremy, and Matt, but writers brought in some of the most engrossing new players to spice up the storylines every now and then.
Source：https://www.cbr.com/best-new-character-vampire-diaries-season/
