obsession with books, but comes to form strong friendships with the rest of the group, which she realizes is key to harnessing the Elements of Harmony. She resides with her assistant Spike and pet owl Owlowiscious in Ponyville's Golden Oak Library, where she also serves as town librarian. At the end of season three, her apprenticeship to Princess Celestia ends when she finishes an old spell by creating new magic based on her studies of friendship, transforms into an alicorn and becomes a princess. At the end of season four, she becomes the Princess of Friendship, with the responsibility to spread friendship and harmony across Equestria with her friends. In season eight, she opens the School of Friendship to teach ponies and creatures from Equestria and beyond about the benefits of friendship with her friends serving as the teachers. In season nine, she prepares to become the new ruler of Equestria, which she succeeds in the end, while establishing the Council of Friendship to maintain her relationship with her friends over the years. Twilight also appears as the main character in the first two movies of the My Little Pony: Equestria Girls spin-off franchise, in which she travels to the human world, befriends the human counterparts of her friends, and reforms Sunset Shimmer, eventually becoming her teacher, mentor, and advisor. Spike Voiced by Cathy Weseluck Spike is a purple baby dragon with green spines. Spike was orphaned as an egg and hatched by Twilight as part of her entrance exam for Celestia's academy. He was also raised among Twilight's family as her adopted younger brother. Spike fulfills the role of Twilight's "number one assistant" to which he is named for his loyalty and skill at helping Twilight solve problems and learn lessons. He also has a crush on Rarity, an insatiable appetite for sparkly gems, and the ability to send letters via his fiery dragon breath. In "Molt Down", he gains a pair of wings after undergoing a developmental stage for dragons called the "molt". At the end of the show, he becomes Twilight's royal adviser. Spike acts as a foil to Twilight and her friends in terms of personality, size, and shape which "provides plenty of opportunity for exploring this difference in storylines". Faust envisioned the character as "the sensitive little boy who has a lot of sisters and just seems to get along better with girls". On Spike's