Kamui

He is on an important mission, and for that constantly travels the desert following the desert Fairy.

Is fond of Millie because she reminds him of a girl he was fond of a long time ago.

He has collected the DNA of every lifeform that has existed in the planet, and when the time comes, must give all of it to Star Seed, the fairy, so that she can depart on a long journey through the universe searching for other planets to terraform.