Clara

Character
Clara is one of the vampire protagonists along with Adeline and Victoria. She is the most intelligent main characters of the series, as in various situations, she happens to know where to find Orenda, discovering about the death of Damien and his and Kirsty connection, and "The way I see it, if the darkness dies the darkness dies with you" (Clara talking to Damien).

Before Monsters
Clara was one of Victoria's best friends along with Adeline. Explained in Victoria's Backstory, Clara was met by a guilt-stricken Victoria, who had murdered the young daughter of the principal, Franny. Both she and Adeline, resolving not to leave their friend alone forever, voluntarily let Victoria bite them, turning into vampires in the process.

Trivia

 * She has shiny eyes like Florence
 * She did hypnotize Kirsty in the first episode of the series.
 * Not counting the thumbnail, she's the only vampire character of the vampire girls in Season 1 who didn't show her fangs
 * She's the third character to say "Hell", second was Cain, and first was Victoria
 * In The Missing Students, Thomas corrects her about the basement open being unlocked
 * She knows how to find Orenda in The Darkness Away