We still haven't seen the true pein but one of his bodies is obito. As you can see in this picture, his hair is similar and only one eye has sharingan in it. He is an aged Obito.
Obito also still has his Konoha head band and wears it as one of Peins bodiesSpoiler!
Obito was a cocky shinobi, but for good reason since he knew he would becom part of PeinSpoiler!
As you can see he has currently surpassed Kakashi if you've read the last few chapters.
To back up my previous point Obito had the ability to see into the future. After Kakashi got one of obito's eyes he inhereited this ability as shown in this picture.
So obito clearly has clairvoyance as an ability.
Obito is also a man who believes in protecting his nakama as well. Pein deals with dangerous people who jeopardize him and his teams life. Thats why hes taking care of the village which is putting his friends at risk
In the following picture you can see what Kakashi is reminiscing and shows regretSpoiler!
a spoiler supposed translation to that is the followingSpoiler!
what does this mean?Spoiler!
frequently asked questions:
1: Q: I'm sure i saw obito get pwned by rocks
A: this is true, but remember peins ability,Spoiler!
He has the power to bring people back from the grave as mentioned. Thats after they fact Jiraiya butchered those bodies. So some rocks wouldn't stop the ressurection
2: Q: But, I thought tobi was obito
A: no tobi is danzou
Thanks to handbanana, freakshow for a few pic ideas for proof.