Hudson Abadeer

Hunson Abadeer (a.k.a. the Lord of Evil) is 's father and ruler of the. He is a powerful, deathless that is full of chaotic evil. He also enjoys consuming the souls of others, but does not spend much time out of the Nightosphere. This is when he finds out that Marceline turned the family axe into a bass and asks, "Did you turn it into some kind of a lute?"

He first appears in "" where it is revealed that he has a shaky parent-to-teen relationship with his daughter. However, Hunson Abadeer manages to reaffirm his love for Marceline just before being sent back into the Nightosphere. In "," 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 "." Hunson Abadeer reappears in "," trying to trick Marceline into taking over the Nightosphere.