Marceline's outfits often varies from episode to episode, but she is often drawn wearing a grey tanktop blue jeans and red boots. Her hair is often left down.
Marceline is often shown to be clever, talented when it comes to the guitar, and is very much a trickster or, in other words like to mess with peoples' minds. At times she is shown very worried about her axe-bass guitar more than anything, even her friends. she's a vampire