Marceline's cave

Marceline's Cave is a location in Land of Ooo inhabited by Marceline and her Zombie Poodle. It appeared in Evicted! and possibly It Came From The Nightosphere. After Marceline took Finn and Jake's Tree Fort, they found this cave. Marceline came and told them it was her cave and she fought Finn andthen she gave Finn and Jake their Tree Fort back and she's been living init since. It has appeared on map of Ooo as Marceline's Vampire Cave.