Astro is a kind of alien, or a humanized moon with four arms. He is characterized as being very calm and somewhat lazy; he is also very easily frightened and gets nervous easily. He is very self-conscious, and that's why he's very insecure. With his unusual appearance and a personality that might be considered strange by others. Even so, he is quite kind and a good person, although he often has his problems, sometimes hurting himself when he has a crisis. he always wears pajamas and a nightcap.
