Marceline is one of the adorable characters from the hit cartoon series, “Finn and Jake”. Despite all their differences, as she is the spawn of the Demon King, Marceline still became friends with Finn the human. She’s a vampire princess who loves to sing while playing her axe-like 4-stringed bass guitar.
On the other hand, Marshall Lee is the genderbend character of Marceline. He was also born from the Demon race and possess almost the same traits as Marceline. However, his axe guitar only has a blade on one side and 6 strings.