Hidan was part of Yahikos original aktsuki proof

[EliteKage]

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This picture is in the manga as well but I am unable to find it. but you can clearly see the individual that is hidan.
His hair changed over the years but he is immortal which explains the reason he looks the same

 

[Zealotic]

Nope thats someone else

 

[Mellow]

Hidan is from the steam village.

His hair his silver. That guys is blonde

 

[AllseeingSharingan]

No that's someone else in the new upcoming game we will know the back story of akatsuki

 

[EliteKage]

No that's someone else in the new upcoming game we will know the back story of akatsuki

yeah im pretty hyped for it