Some thoughs about "parallels" and foreshadowing:
Personal parallels of Naruto:
Dan to Naruto - same dream - being Hokage, similar attitude.
Nawaki to Naruto - same character, same dream - being Hokage, similar desing.
Senju Hashirama to Naruto - similar attitude, similar character.
Jiraiya to Naruto - same character, same love intrest, same attitude, same friend fate, similar powers, similar dream (to make something worth to people)
Minato to Naruto - similar desing, same dream.
Obito to Naruto - practically all, just a bit difference - Obito is Uchiha.
Personal parallels of Sakura (pre 699):
Mito to Sakura - same forehead symbol.
Tsunade to Sakura - same character, similar attitude, similar powers.
Kushina to Sakura - same attitude to Naruto as Kushina to Minato, similar character, same behavior.
Rin to Sakura - same attitude to Naruto as Rin to Sakura, same love intrest in "cool guy", same specialization.
Parallels of NS:
Jiraiya x Tsunade
Minato x Kushina
Obito x Rin
Personal parallels of Sasuke:
Kakashi - similar charcter (young years), similar fate (lost all his close relatives).
Orochimaru - same wish for more power.
Madara (?) - had similar ocular powers, same fate of brother who became victim of war.
Parallels of SS:
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Personal parallels of Hinata:
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Parallels of NH:
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Yeah, NS was totally to mislead people, not a plot relevant pairing, canon-based, developed part of story, nah, just misleading. It's a NH that was heavely foreshadowed through 15 years of this story.
kitten you, Kishimoto, kitten you.