This name is associated with the zodiac sign Mithun (Gemini).
| Rashi(Symbol / zodiac sign) | Mithun (Gemini) |
| Name Start Letters | K, CHH, GH, Q, C - Mithun (Gemini) |
| Symbol | Twins |
| Element | Air |
| Ruling body | Mercury |
| Quality | Dual (dvisvabhava) |
Kouichi name was mentioned in few of the roles in Yakuza: Like a Dragon, Yakuza: Like a Dragon, Aogeba Tôtoshi, You and Me, Another, Another, Gatchaman Crowds Insight, Kazokugari, Rikuô, Marry Me! as role of Kouichi Adachi, Kouichi Adachi, Kouichi Hikuma, Kouichi Azuma, Kouichi Sakakibara, Kouichi Sakakibara, Kouichi Umeda, Kouichi Komada, Kouichi Miyazawa, Kouichi Morikawa by the artists like Akio Ôtsuka, Andrew Morgado, Akira Terao, Kôsuke Toriumi, Atsushi Abe, Greg Ayres, John Swasey, Kôki Okada, Kôji Yakusho, Yôichi Nukumizu.
Akio Ôtsuka portrayed Kouichi Adachi in the production 'Yakuza: Like a Dragon', while Andrew Morgado portrayed Kouichi Adachi in the production 'Yakuza: Like a Dragon', while Akira Terao portrayed Kouichi Adachi in the production 'Aogeba Tôtoshi', while Kôsuke Toriumi portrayed Kouichi Adachi in the production 'You and Me', while Atsushi Abe portrayed Kouichi Adachi in the production 'Another', while Greg Ayres portrayed Kouichi Adachi in the production 'Another', while John Swasey portrayed Kouichi Adachi in the production 'Gatchaman Crowds Insight', while Kôki Okada portrayed Kouichi Adachi in the production 'Kazokugari', while Kôji Yakusho portrayed Kouichi Adachi in the production 'Rikuô', while Yôichi Nukumizu portrayed Kouichi Adachi in the production 'Marry Me!'. Each interpretation brings a new perspective to the character of Kouichi Adachi, highlighting the diversity of artistic expression.
| Movie / Play Title | Character Name | Artist Name |
|---|---|---|
| Yakuza: Like a Dragon | Kouichi Adachi | Akio Ôtsuka |
| Yakuza: Like a Dragon | Kouichi Adachi | Andrew Morgado |
| Aogeba Tôtoshi | Kouichi Hikuma | Akira Terao |
| You and Me | Kouichi Azuma | Kôsuke Toriumi |
| Another | Kouichi Sakakibara | Atsushi Abe |
| Another | Kouichi Sakakibara | Greg Ayres |
| Gatchaman Crowds Insight | Kouichi Umeda | John Swasey |
| Kazokugari | Kouichi Komada | Kôki Okada |
| Rikuô | Kouichi Miyazawa | Kôji Yakusho |
| Marry Me! | Kouichi Morikawa | Yôichi Nukumizu |
