Marceline Abadeer is also known as Marceline the Vampire Queen. She is from Adventure Time.
S2E1 "It Came from the Nightosphere"
Singing the "Fry Song"
S3e3 "Memory of a Memory" shows Marceline as a child
S3e10 What Was Missing
S3e21 Marceline`s Closet
Barefoot getting out of the bath:
- video needed
Barefoot going to bed:
S4E25 "I Remember You"
She is barefoot while singing "Nuts" and also "I Remember You"
Remember You http://www.youtube.com/watch?v=Hgw2Gz2ujp0&t=1m40s