|Home world:||Earth (Guardians of the Earth Universe Timeline)|
|First appearance:||Seize the Light!|
|Last appearance:||Earth is Ultraman's Star|
|Number of appearances||51 (Gaia)|
|Portrayed by||Maria Theresa Gow|
- In the end of episode 31 of Ultraman Gaia, Atsuko forced Gamu on a date with her after he was seen hanging out with Georgie at a restaurant in the beginning.
- In episode 17 her birthday is revealed to be December 26th, which is the same date said episode was aired on.
- There appears to be a bit of a running gag with Georgie betting over certain things.