'Adventure Time': 10 Best Side Characters, Ranked

Adventure Time easily ranks among Cartoon Networks' best shows. Set in the whimsical land of Ooo, it followed the adventures of Finn the human (Jeremy Shada) and Jake the dog (John DiMaggio) as they fought evil and protected its various kingdoms and princesses. Over time, the show delved into deeper existential themes and became a coming-of-age story for Finn.