Uzumaki clan was known for their huge chakra reserves, so the user of the Rinnegan could tap into its original power because of their chakra levels. So he transplanted his Rinnegan into a young Nagato without the boy's knowing, intending Nagato to someday use the eyes to restore Madara to life.
Madara gave his both Rinnegan eyes to Nagato, and he implanted later a Sharingan eye after it in the left side (not two but just one, he said it to Obito when he met him, and he didn't say where or from who he got it, he even tells Obito to take his right Sharingan eye and transplant it in him if he gonna die due to
By piercing corpses with chakra receivers, a wielder of the Rinnegan can manipulate the bodies as though they are their own. The article further says: Because of the fact that he was crippled, Nagato channelled the abilities of the Six Paths into six different bodies (one ability per body).
After the death of yahiko which is the pain which does the almighty push ,nagato took his bodies and revive him by inserting the chakra recievers rod in it. And when we talk about nagato, he was the orignal user or the rinnegan from his birth .
The simple reason why Nagato didn't bring Yahiko back to life was because he didn't wanted to do that. When Yahiko died his last word were “You are the savior of the world”.
Nagato got the Rinnegan from Madara, who implanted the eyes into him. Madara intended to take the Rinnegan back after becoming reanimated in the future. Nagato was chosen to get Madara's eyes because his clan (Uzumaki) was a distant branch of the Senju clan.
Konan didn't destroy them because of plot and I would hope she wasn't arrogant enough to think she could kill the legendary Madara Uchiha (that's who she thought she was fighting at the time) when Hashirma couldn't and he's living way past his supposed "death".
Within Amegakure is a shrine that serves as the final resting place of Nagato and Yahiko. It was created by Konan after she brought their bodies back from Konohagakure.
Rinnegan is immune to Infinite Tsukuyomi, the strongest genjustu. If compared to that, Itachi's Tsukuyomi would be considered 3rd tier.
You should look for three to five messages a day, unless you strike up a conversation, then look for more. The most important thing to look out for is whether or not it seems like you're on his mind.
How often should I water them? In the heat of the summer you should be watering your containers and hanging baskets every day. On hot, windy or humid days you may need to water more than once. And on rainy days you may not need to water at all.