Question: Joseph Morgan is best known for his roll in what CW show that eventually spun off into "The Originals"?
Sentence (from "List of The Originals characters"): It centers on three Mikaelson siblings, Klaus (Joseph Morgan), Elijah (Daniel Gillies), and Rebekah (Claire Holt), collectively known as "original vampires", or simply the "originals".
Relevant evidence: No