Namiko (なみこ Namiko) is one of Rikka Takarada's closest friends.
After seeing Rikka and Yuta Hibiki together at the 7-21 shop, she and Hass frequently tease Rikka about it. However, the day after Ghoulghilas' attack and Gridman's appearance, she seems to have forgotten everything about them and when questioned about some missing classmates, she did not know who they were either. This routine repeated after each kaiju attack.
- Height: 150 cm
- Weight: Unknown
- Age: 15 years
- Date of Birth: 10 July, 2002
- Blood Type: O
- Her design is based off of Starscream from Transformers: Shattered Glass, with her hairpin being based off a Transformers Cybertron Cyber Key. This is because the Unicorn Trilogy's Starscream is repainted into his Shattered Glass iteration despite the latter not operating as such in the comic.
- According to the voice drama episodes:
- She used to watch Ultraman Retsuden with her brother.