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- This character has no relation to Hayami, a character who is also named Takeshi and first appears in Downtown Nekketsu Kōshinkyoku: Soreyuke Daiundōkai. Hayami is also a biker.
- Mikoto, a member of the Yokohama Funky that debuts in Nekketsu Kōha Kunio-kun Special is meant to be an equivalent of Takeshi by replacing him as a fleshed-out character.
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