This name is associated with the zodiac sign Mesha (Aries).
| Rashi(Symbol / zodiac sign) | Mesha (Aries) |
| Name Start Letters | A, L, E, I, O - Mesha (Aries) |
| Symbol | Ram |
| Element | Fire |
| Ruling body | Mars |
| Quality | Movable (chara) |
Oka name was mentioned in few of the roles in Tengoku ni ichiban chikai otoko, National Theatre Live: Three Sisters, Êsu wo nerae! -Kiseki eno chousen-, Return of Ultraman, Voltes Five, SK8 the Infinity, Golden Time, Sagrada Reset, Cobra 2 as role of Hideki Oka, Oka Mbem (The Chant Poet), Hiromi Oka, Yuriko Oka, Megumi Oka, Shokichi Oka, Chinami Oka, Eri Oka, Nanshi Oka by the artists like Yoshihiko Hakamada, Amarachi Attamah, Aya Ueto, Mika Katsuragi, Miyuki Ueda, Zeno Robinson, Ibuki Kido, Yuuka Aisaka, Kumi Taguchi.
Yoshihiko Hakamada portrayed Hideki Oka in the production 'Tengoku ni ichiban chikai otoko', while Amarachi Attamah portrayed Hideki Oka in the production 'National Theatre Live: Three Sisters', while Aya Ueto portrayed Hideki Oka in the production 'Êsu wo nerae! -Kiseki eno chousen-', while Mika Katsuragi portrayed Hideki Oka in the production 'Return of Ultraman', while Miyuki Ueda portrayed Hideki Oka in the production 'Voltes Five', while Zeno Robinson portrayed Hideki Oka in the production 'SK8 the Infinity', while Ibuki Kido portrayed Hideki Oka in the production 'Golden Time', while Yuuka Aisaka portrayed Hideki Oka in the production 'Sagrada Reset', while Kumi Taguchi portrayed Hideki Oka in the production 'Cobra 2'. Each interpretation brings a new perspective to the character of Hideki Oka, highlighting the diversity of artistic expression.
| Movie / Play Title | Character Name | Artist Name |
|---|---|---|
| Tengoku ni ichiban chikai otoko | Hideki Oka | Yoshihiko Hakamada |
| National Theatre Live: Three Sisters | Oka Mbem (The Chant Poet) | Amarachi Attamah |
| Êsu wo nerae! -Kiseki eno chousen- | Hiromi Oka | Aya Ueto |
| Return of Ultraman | Yuriko Oka | Mika Katsuragi |
| Voltes Five | Megumi Oka | Miyuki Ueda |
| SK8 the Infinity | Shokichi Oka | Zeno Robinson |
| Golden Time | Chinami Oka | Ibuki Kido |
| Sagrada Reset | Eri Oka | Yuuka Aisaka |
| Cobra 2 | Nanshi Oka | Kumi Taguchi |
