Sebastian is an old vampire who has been alive for over six hundred years. He describes having lived in the golden ages of vampirism; times when vampires were not afraid to feed on humans. He states that men trembled at the mention of his name.
Throughout Legacies Series
In This Year Will Be Different, as Lizzie is waiting at the Old Mill for MG to arrive, she notices Sebastian standing in the shadows. She assumes he must be new, but questions who he is given that she knows all of the incoming students. He asks her where he is, clearly confused. She tells him they're at the Old Mill, explaining that they are at the Salvatore Boarding School for the Young & Gifted. This surprises him as he didn't know it was a school. She attempts to help him when he becomes unsteady, and he warns her to stay away from him.
She later uses a locator spell to track him, which prompts him to realize that she is a witch. He warns her to stop trying to locate him as he is not good for her, but she later tells MG that she has fallen for him, despite his warnings.
In You Remind Me of Someone I Used to Know, Sebastian arrives to watch Lizzie during the Annual Charity Football Game between Mystic Falls High and the Salvatore School. Lizzie notices him and when he leaves, she follows him to the basement of the school. Sebastian tells her that he had to see her again, but can't be with her. Lizzie asks what he is, and he explains that he is a vampire, much to Lizzie's relief. He is confused by her reaction and explains that he has been in a romantic situation like this before. With that, the two kiss, which is witnessed by MG from afar. He is unable to see Sebastian, and it appears as though Lizzie is kissing the air.
Physically, Sebastian is a handsome and brooding man with longer than average, parted brown hair. He has strongly defined features that instantly attract Lizzie Saltzman, despite not knowing him. His attire is a little dated, given he is over six hundred years old, but he still manages to present himself cleanly.
Powers and Abilities
Sebastian possesses all the standard powers and abilities of a non-original vampire.
Sebastian has the typical weaknesses of a non-original vampire.
- This Year Will Be Different
- You Remind Me of Someone I Used to Know
- Since When Do You Speak Japanese?
- Sebastian is from the Latin for "venerable" or "revered". 
- Based on the character slides, it was initially believed that he had connections with the Salvatore namesake, having known of Stefan and Damon Salvatore. This however was proven false.
- He is possibly a love interest of Lizzie Saltzman.
- ↑ 1.0 1.1 1.2 Leaked Script in which he refers to himself as having been alive for six centuries.
- ↑ https://www.babycenter.com/baby-names-sebastian-4046.htm
- ↑ https://www.cinemablend.com/television/2476992/legacies-season-2-casts-new-vampire-as-a-love-interest-for-a-main-character