Joshua

Joshua is Finn's adoptive father. He is also the father of Jake and Jermaine. He and his wife, Margaret, adopted Finn as their own child.

Info:

Name: Joshua the Dog

Sex: Male

Age: Deceased

Occupation: Unknown

Family: Finn (adoptive son), Jake (son), Jermaine (son), Margaret (wife)

Personality
Joshua is an extraordinary father. As shown in the episode, Dad's Dungeon, he has the ability to defeat a demon and to make the Demon's blood sword. He wants Finn to be a strong, motivated man. Because when Finn was a baby, he was squishy and he always cries. Joshua never knew that Finn became Ooo's hero, for he died due to sickness.

Appearance
He looks a lot like Jake. Though he wears a gray-colored hat with a ribbon on it.