Before the mushroom war, marceline live with her family. But when the mushroom war begins, her mother dies. Can you see there is no bite mark in on little marcy's neck at the episode memory of memory? So, her dad turn her into a vampire so she wont be killed.But, before that stuff happens, a guy name simon petrikov gave her a stuffed toy. After that, the "Simon Petrikov" guy transformed into the ice king because of his crown. Anyway, lets talk about marceline again. When marceline become a teen vampire, her dad eats her fries. I dont know why marceline is very crazy about the fries.Ya know, whats the big deal? So, she leaves the nightosphere and find a treehouse that finn and jake live in with her boyfriend, Ash. Until he sold a teddy bear that the ice king gave her. And, ash sold it just for a cherry blossom. Marceline's freak out and break up with ash. So, shes adventuring to another land. when shes back to the treehouse, finn and jake already live there. sooooooo theres marceline's crazy past. FINISH!!!!