Reuben

ルーベン

Experiment 625 made by Jumba. For the details, this character is seen introduced of the movies and the series. He accompanied Gantu on his way to earth to buy ingredients for sandwiches on Izayoi, but the bread was sold out everywhere. When he was depressed, he met Yuna's grandmother and asked her to make rice balls (sandwiches that don't use bread) with the ingredients of the sandwiches he had. He have come to like making onigiri since he got it. However, after the second period, the depiction is no longer drawn as if nothing had happened, and he is absorbed in making sandwiches again. He also showed his consideration, such as giving presents to Dr. Hämsterviel and Gantu. From the third series, he is often punished by Delia along with Hämsterviel.