

In " Memory of a Memory," Finn sees a flashback of him eating his daughter's French fries, an incident that caused a rift in their relationship and led to Marceline writing her " Fry Song." He reappears in " Daddy's Little Monster," trying to trick Marceline into taking over the Nightosphere. However, Hunson manages to reaffirm his love for Marceline just before being sent back into the Nightosphere.

He first appears in " It Came from the Nightosphere", wherein it is revealed that he has a shaky parent-to-teen relationship with his daughter. He also enjoys consuming the souls of others, but does not spend much time out of the Nightosphere. He is a powerful, deathless demon who is full of chaotic evil.

the Lord of Evil ) is Marceline's father and the ruler of the Nightosphere.
