Kirin Lion

Kirin Lion is a former Animal King on the Crown Island. When Mobambi washed ashore to the island, Kirin Lion took him in and raise Mobambi as one of his own. Mobambi regards Kirin Lion as a father figure. He died prior to the start of the third movie. His gilded horns were part of a legend that whoever ate them would become powerful. Near the end of the movie Butler found and ate the horns, becoming a powerful monster. However, Butler was quickly defeated by Chopper and Luffy when the latter broke his horns, depriving him of the powers gained by eating the horns.

Trivia

 * A Kirin is the Japanese word for "Qilin", a mythological chimerical creature. It is also the Japanese word for "giraffe".
 * In a way Kirin Lion adopted Mobambi and when he died Mobambi became the heir to the throne.