[Adélie's](https://anilist.co/character/88682) grandfather.

The story of the anime revolves around Dandy, an alien-hunter. His job is to seek out new aliens never seen before, and receives a reward whenever he finds a new species. His mission is to find those new species faster than anyone else as he travels the galaxy. Together with the bucket-of-bolts robot QT and the dimwit alien Meow he picked up along the way, he comes into contact with new planets and their inhabitants..
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(Source: Anime News Network)

Tamio Ooki was a Japanese voice actor. He was affiliated with Mausu Promotion.

Ojii-chan