Jake is a character from the animated television series Adventure Time. He is a dog who can stretch his body to incredible lengths. Jake is the best friend of Finn the Human, and they go on many adventures together. Jake's stretching ability is one of his most defining features. He can stretch his body in any direction, and he can even change his shape. Jake's stretching ability is very useful, and he often uses it to help Finn out of trouble. A fanart Adventure Time sticker with Stretching Jake.