Nathan Adams is a human ad the main male protagonist from the original Yo-kai Watch.
- Very Best Friend -
- Best Friends - Inaho Misora
- Girlfriend/Wife - Katie Forester
- Brother - unknown brother
- Adoptive Brother(s) - Moji,
- Sisters - unknown sister
- Adoptive Sisters - Pan,
- Sister in-Law - Atsuko Kagari
- Brother- in-Law - Naruto
- Babysitter -
- Father - Aaron Adams
- Mother - Lily Adams
- Mother-in-Law - Rebecca Forester
- Adoptive Father - Ash Ketchum/Domon Kasshu (TR22P)
- Adoptive Mother - Serena/Rain Mikamura (TR22P)
- Grandfather - Nathaniel Adams
- Adoptive Granfather - Li Shang (TR22P)
- Grandmother - Lucy Adams
- Adoptive Grandmother - Fa Mulan (TR22P)
- Children - Natsume Amano and Keisuke Amano
- Cousins -
- Aunt - unknown aunt
- Uncle - unknown uncle
- Uncles in Law -
- He portrayed Tommy Dratton in the newly launched series Cold Case Toonime (Rotten Seeds Production) in the 23rd episode of the fourth season The Good Death.
- Nate Adams/Keita Amano is also existed in Just Dance 2018 dance game as a dancer in 4 different choreos.
- He is also the dancer for Just Dance 2019 for the song Narco
- Coincidentally, he is also the character who teases for the song (the live one actually). He will be seeing on the scenario that he is reading the royal scroll, while playing the trumpet. Then when he sees the camera, he closes it with his hand, then when it removed he turn to an animated version of himself, then saying "Not all journey ended the way as you expected, get ready for the new journey on Just Dance, All You Gotta Do is Just Dance!" then when he closes the camera with his hand, the screen turns black then the Just Dance logo appeared.
- He is also supposedly the dancer for Dame Tu Cosita, but scrapped out for unknown reason.
- He appeared once again on Just Dance 2020 (alongside Jibanyan, Edward Archer, and Bear Bernstein) for the song Everybody (Backstreet's Back)
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