Board Thread:Naruto Discussions/@comment-30642680-20161215233748/@comment-3568954-20170106171431

he gave sasuke the curse mark because the curse mark is a means for sage transformation. he wanted sasuke's body as a host to transfer into because he wanted the sharingan. the curse mark also acts similar to how horcrux work in harry potter in that he can be revived from his horcrux.

and why in the heck would orochimaru be born in his snake appearence. he is a human not a human snake hybrid. the snake thing was because of his experiments.

his young appearence is likely just a transformation like how tsunade always appears young. i mean if you could look younger why not.

Jugo, Suigetsu, Karin, and kabuto were all manipulated by Orochimaru. Kabuto more than the others as he was a little kid when orochimaru started his manipulation.