young tree frog that lives in the rain forest in the island of Puerto Rico. He loves to sing in the light of the moon. His song is loved by all the animals in the forest. One night, Coqui becomes saddened by the disappearance of the moon, and cannot sing anymore. In his first adventure, Chasing the Moon, with the help of his friends, he goes on a trip to find the moon, so he can be happy and sing again, only to discover that his true source of happiness is back home.