Items on Billy's Bucket List: (Crossed out) -Punch that jerky camel -Try to draw on a computer -Defeat the Lich * -Drink sea lion milk -Make some kombucha -Fix up an old car -Find a new spirit animal -Make a website -Learn how to play flute (Not crossed out) -Tell Finn that thing -Take Canyon on one last ride (And, hidden at the very bottom of the paper) -Lie on my back in the ocean. Just float
Canyon is voiced by Ako Castuera, the writer of the episode.