Jake

He is the other protagonist of the cartoon ''Adventure Time'', he is a 30 years old dog of yellow color with magical powers that let him change form on whatever he wants, he is the adopted brother and best friend of Finn. This is the opposite of Finn, he is a calm but equally an adventurous character, he accompanies Finn on his adventures and helps him. Jake plays the violin and he is Lady Raincorn's boyfriend with whom he has 5 children, and these have magical powers of both of their parents.