Uncle Donald

Uncle Donald is one of Mr. Pig's relatives and a guest at Tree Trunks' wedding in the episode "Apple Wedding." He sits on the left side of the aisle with the rest of Mr. Pig's relatives and is among the wedding guests that Princess Bubblegum puts in the Candy Dungeon with the King of Ooo. Mr. Pig mentions him while listing the people he and Tree Trunks care about, along with Finn, Banana Guard #1, Jake, and Jake Jr.

Appearance
He wears a black suit with a green shirt and bow tie. He has greenish-black hair and is wrinkled from old age. Folds of skin cover his eyes.