Question: What is the name of the vempire that Elena Gilbert falls in love with?
About the article "The Vampire Diaries", section "Series overview".

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Television series.
Elena Gilbert is born on June 22, 1992 in Mystic Falls, Virginia to John Gilbert (David Anders) and Isobel Flemming (Mia Kirshner) while they were still in highschool.
With the help of John's brother Grayson, Isobel and John flee town days later, leaving Grayson and his wife Miranda to adopt Elena as their own.
A doctor, Grayson fakes a birth certificate so that it appeared Elena was his daughter with Miranda.
The next year, Miranda and Grayson had a child of their own, Jeremy Gilbert.
Elena dates her childhood friend Matt Donovan, who was her first love.
On 23 May 2009, Elena is picked up by her mother and father after being stranded by attending a party.
The three of them later end up in a car accident, with their car driving off a bridge.
Stefan Salvatore finds them, and saves Elena, but it was too late to save Grayson and Miranda, who died.
It remained unknown for months who saved Elena, and it was considered a miracle that she lived.
Her relationship with Matt ended when they broke up. 
Elena Gilbert (born June 22, 1992) is a fictional character and protagonist from the "The Vampire Diaries" series of novels.
In the television series of the same name set in the fictional town of Mystic Falls, she is portrayed by Nina Dobrev.
In the books, Elena was blonde, popular, selfish and a "mean girl".
However the show's producers, Julie Plec and Kevin Williamson, felt that it wasn't the right direction they wanted to go with their heroine in "The Vampire Diaries" television series.
Instead, her "dark side" didn't exist, and she was nice, relatable and "the girl next door".
Much of Elena's story revolves around her relationships with vampires Stefan Salvatore and his older brother, Damon.
It is revealed that Elena is a Petrova Doppelgänger, which is thus responsible for her being identical to her ancestor, Katherine Pierce (née Petrova).
This also has the implication of making her a supernatural creature.
Dobrev portrayed the "conniving" Katherine as well, who is opposite of Elena.
The actress stated that it has been a challenge distinguishing the two, and enjoys playing them both.
In the television series's fourth season, Elena becomes a vampire and deals with the struggles that come with her change. 
Before "The Vampire Diaries", Elena dated Matt Donovan (Zach Roerig), who was unable to move past his feelings for her initially after their break-up.
Elena began dating Stefan Salvatore (Paul Wesley), and later discovered he was a vampire.
As the episodes progressed, she developed a connection with Stefan's adventurous brother Damon Salvatore (Ian Somerhalder), who consumes human blood, unlike Stefan, who has an animal blood diet.
Speaking about the different qualities Stefan and Damon bring to Elena, Dobrev said they have "different qualities that are very appealing", which combined make "the perfect man".
She said "Stefan is committed and sweet and protective and loving, and Damon is spontaneous and crazy and fun and exciting".
After Elena became a vampire, she became sired to Damon and they slept together.
According to Plec during an interview with TVLine, Elena "really believes what she feels is 100 percent genuine and real", and the couple "wants to be together and realizes that they shouldn’t, yet really wants to.
So what do they do?"
Stefan became heartbroken, feeling angry and betrayed, and lashed out at Damon and Elena.
Months earlier, Wesley urged fans of Stefan and Elena not to lose hope, stating: "The fans should definitely maintain some hope.
The thing to remember is that Stefan and Elena have this love that is so strong, and it was sort of the core of Season 1 — you can’t entirely disregard that".
Later, while discussing Stefan and Elena, Plec said: "They love each other as deeply as two people can love each other, but that doesn’t mean that their relationship is infallible".
In the season 4 finale, an unsired Elena confirms that she is in love with Damon, despite knowing the worst parts of him, and the two kiss passionately.
Interviews with Julie Plec have confirmed that the couple will be in a long distance relationship in season 5. 
  Played by Steven R. McQueen Jeremy Gilbert.
Jeremy Gilbert is Elena Gilbert's younger brother, later revealed to be her biological cousin.
In the beginning of the series, Jeremy was emotionally damaged by the death of his parents, Grayson and Miranda Gilbert, and he begins to use drugs as a way of coping with his parents unexpected death.
He was in love with Vicki Donovan, who uses drugs as well, but she was dating Tyler Lockwood, which causes a rivalry between the two boys.
Vicki later breaks up with Tyler and starts a relationship with Jeremy.
However Jeremy later witnesses how Stefan Salvatore kills Vicki after Damon Salvatore had turned her into a vampire.
Elena, afraid that Jeremy couldn't handle this, asks Damon to make Jeremy forget this and take away his pain.
This causes Jeremy to become more stable and to stop taking drugs.
Jeremy then starts a relationship with a vampire named Anna, but John Gilbert, Jeremy’s uncle, kills Anna at the end of season one.
Jeremy, not wanting to deal with this pain, tries to become a vampire by overdosing while having Anna's blood in his system, but he fails.
He was later given John's ring, which protects him from a death caused by anything supernatural.
In season two, Jeremy falls in love with Bonnie Bennett and they start a relationship.
Jeremy later loses both his aunt and uncle on the day of the sacrifice, leaving him and Elena without a guardian.
In the season two finale, Jeremy was accidentally shot to death by Sheriff Forbes, but Bonnie was able to bring him back.
However, bringing Jeremy back from the dead was said to have consequences and since then Jeremy had been able to see and communicate with the ghosts of his dead Former girlfriends Anna and Vicki, whenever he thinks about them.
When the doorway to "the other side" was opened, Jeremy was even able to physically interact with Anna.
Elena later catches them kissing and Bonnie also finds out, resulting in their break-up.
When Bonnie closes the doorway to "the other side", Jeremy and Anna decide to let each other go.
After Jeremy kills a hybrid by chopping off his head and was almost killed by Klaus, Elena asks Damon to compel Jeremy into leaving Mystic Falls in order for him to live a normal life.
However, after Klaus and the other Originals find out where Jeremy was, Elena takes Jeremy back home.
In season four a vampire hunter by the name of Connor arrives in town, and only Jeremy can see his mysterious tattoos, later revealed to be a map to the cure for vampirism.
After Elena kills Connor, Jeremy becomes part of The Five, a group of vampire hunters.
It was revealed that in order for his 'mark' to grow, he must kill vampires.
However, after doing so his urge to kill grows stronger, and he attempts to murder his own sister/biological cousin.
Eventually, he finds a way to control his murderous urges, and was trained by Damon to kill vampires.
After killing Kol, resulting in the death of his entire bloodline, his Hunter's Mark completes, revealing a map to the cure.
However, once he and Bonnie reach Silas, Katherine reveals herself and allows Silas to feed on him in order to awaken.
She steals the cure, and Jeremy was killed when Silas snaps his neck.
Elena then burns the Gilbert house down with his body inside of it, creating a cover story for his death.
When Bonnie drops the veil to "The Other Side", Jeremy's ghost returns, saving Elena from being murdered by Kol.
However, Bonnie performs a spell that allows Jeremy to stay despite the veil being brought back up, meaning that he is alive again.
The spell however, killed Bonnie in the process, though Jeremy can still see her due to being a Human. 
The series follows the life of Elena Gilbert (Nina Dobrev), a teenage girl who falls deeply in love with a 163-year-old vampire named Stefan Salvatore (Paul Wesley).
Their relationship becomes increasingly complicated as Stefan's vicious and malevolent older brother Damon Salvatore (Ian Somerhalder) returns with a plan to wreak havoc on the town, seeking revenge against his younger brother for turning him into a vampire against his will.
Both brothers begin to show affection towards Elena, mainly because of her resemblance to their past love Katherine Pierce.
It is revealed that Elena is a descendant of Katherine, who eventually returns with plans against the trio.
Elena undergoes many hardships and deaths of close family members and loved ones through her high school experience.
The series is set in the fictional town of Mystic Falls, Virginia, a town charged with supernatural history since its settlement of migrants from New England in the late 19th century.
Additional story lines revolve around the other inhabitants of the town, most notably Elena's younger brother Jeremy Gilbert (Steven R. McQueen), her best friends Bonnie Bennett (Katerina Graham) and Caroline Forbes (Candice Accola), and their mutual friends Tyler Lockwood (Michael Trevino) and Matt Donovan (Zach Roerig).
The town's politics are orchestrated by descendants of the original founding families, all comprising a "Founders' Council".
Some of the founding families of Mystic Falls include the Salvatores, the Gilberts, the Fells, the Forbes, and the Lockwoods.
They guard the town mainly from vampires, although there are many more supernatural threats such as werewolves, witches, ghosts, Originals and hybrids.