Jake aka Jake the Dog is one of the main characters of the Adventure Time cartoon series. This magical dog has stretchy powers that allow him to manipulate the shape and size of his body. Jake was 28 years old at his debut in Magical dog years, but he rarely acts mature. Jake's parents told him that a shape-shifting creature bit his father on the head and Jake was born from the pustule that formed from the bite. Jake is Finn's constant companion, best friend, and adoptive brother in all of his adventures. Always rushing to adventures Jake is now a fanart Adventure Time Jake Running progress bar for YouTube.