But the not-so-secret best plotline is between Marceline the Vampire Queen (Olivia ... has to be split in two for Adventure Time. The first half goes to Buff Baby Finn, as first seen by Marceline ...

“Adventure Time With Finn & Jake,” a new animated series getting ... from “The Year Without a Santa Claus”; Marceline the Vampire Queen; and Lady Rainicorn, half-rainbow, half-unicorn ...

and Marceline the Vampire Queen (Olivia Olson). This news, however, has left some fans wondering what happened to Adventure Time's previous main characters, Jake (John DiMaggio) and Finn (Jeremy ...