Marceline's Mom

Marceline's mom is an unseen character in Adventure Time.

She was briefly mentioned by Marceline in "Henchman" while Finn and Marceline were in the strawberry fields. Marceline claims that when the sun burned her, it reminds her of when she would scrape her knees and her mom would patch her up. This is the only thing that has really been said about Marceline's mother currently.

In "Return to the Nightosphere," one of the background images shows Marceline as a child, Marceline's father, and an unknown female figure with long black hair similar to Marceline's. It could be speculated that this picture is an Abadeer family photo and the unknown female is Marceline's mother.