Bm naruto
You spelled strongest wrong
Kabuto obviously.
Non-edo probably Sasuke. Despite Itachi 'allowing' Sasuke to win it's not like he didn't use a fair portion of his power--after all Sasuke pushed him to his trump card Susanoo.
Sasuke was a formidable foe nonetheless. I mean look what happened in Itachi vs. Deidara. Now that's beating someone with ease.
Edit: I would say KM Naruto, but they weren't really going all out in that fight. There was more lingo than fighting. Neither actually had the intent to kill.
Kabuto, clearly..
true but Dei was older and more skilled when he fought SasukeSasuke was a formidable foe nonetheless. I mean look what happened in Itachi vs. Deidara. Now that's beating someone with ease.