"Marceline" (full title "Marceline the Vampire Queen") is one of the major characters from the Western animation series Adventure Time. A fearless daredevil with a fondness of mischief, Marceline is one of Finn’s close friends and trusted allies. Although she can be a trickster, she is shown to be emotional and sentimental, especially with her prized objects, and expresses herself through music. Has a complex history with the "Ice King". She first appears in The Biggest Hunger Games Sim.