I think the myth likely took many aspects of different, popular religious parts. It's not something they blatantly copied from one myths, but something blatantly copied from several. Time also allowed it to twist and warp into Jesus as we know him... A fair-skinned white man with feathery hair (wtf?).
![[Image: SigBarSping_zpscd7e35e1.png]](https://images.weserv.nl/?url=i169.photobucket.com%2Falbums%2Fu224%2FUchiha_Kina%2FTags%2FSigBarSping_zpscd7e35e1.png)