Marceline is a vampire who feeds on the color red, can fly, raise the dead, shapeshift, turn invisible, restrain with red energy beams from her arms and absorb souls. She's snarky, playful and mischievous but with a good heart. She's also a gifted bassist and loves making music. Marceline can be emotional and caring as well, being good friends with Finn the human and Jake the dog. She's girlfriends with Princess Bubblegum and got obese from coping with her emotions with food, not that she minds.