What does Altman mean by holding his chin in his hand?

Cheek-hugging expression has many meanings, such as cuteness, cuteness, thinking, being in a daze, expectation and missing. You can also express contempt or disgust, but the expression pack is cute, so the sense of disgust is not so strong, just simply expressing contempt. In the dictionary, holding your chin is an action. Cheeks are generally used to express missing someone or thinking about a problem. Now everyone likes to create a friendly atmosphere with the expression of chin cupped.

Originally, Altman designed an astronaut wearing similar western armor, but at the request of playwright Tetsuo Kinjô (1938- 1976), he redesigned it from scratch.

Altman is a transliteration of English Altman, which means Superman. In Japanese, it is written as "ルトラマン". The naming concept of "Ultraxxx" comes from 1964, a popular phrase "Ultrac" during the Tokyo Olympic Games.