Larry

Larry is one of Ruffnut and Tuffnut's cousins, mentioned in the episode "Darkest Night".

Mentioned by his cousins
"Like our third cousin twice removed, Sad Larry, always used to say: "If you see a sheep on a hill, it's not worth the struggle"."

- Tuffnut

After the Dragon Riders realize that they can't change the past, Tuffnut remembers his cousin Larry and one of the phrases he used to say.