Not as humorous as my other bit, but I still gotta use one of my all-time favorites for this scene. Hope you like it.
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"You and me, outside, right now!"
That's what Sasuke had said two minutes ago when Naruto had first entered his hospital room. Naruto couldn't understand what Sasuke was so angry about, but he wasn't about to turn down a challenge from anyone, not even his own friend and teammate.
Sakura had ended up caught in the middle of things. Like Naruto, she didn't know what had driven Sasuke to this, but she didn't like it one bit. In the months since forming their team, Naruto had proven time and again that he was a dangerous person. And though she knew that Naruto would never willingly harm someone close to him, it would all go right out the window if one of his other personalities took over. She figured that Sasuke could handle things if it were one of the lesser personas, but if something like The Phenom decided to reappearà
"Naruto, Sasuke-kun, don't do this," she pleaded once they had reached the roof of the hospital. "There's no reason for you to fight each other!"
Sasuke glared at her. "Stay out of this, Sakura. It doesn't concern you."
Sakura fell silent, knowing there would be no talking him out of it now. Sasuke grunted and turned back to Naruto, frowning when he saw the lazy, easy-going smile that had replaced his previous glare. He had also shucked off his orange jacket, revealing a black undershirt adorned by an orange twisting dragon and several yin-yangs.
"She's right dude," Naruto told him. "You're getting way too worked up over nothing. So what do you say we just chill for a second and work this out? I mean, we're still cool, right?"
The fact that Naruto seemed to have developed yet ANOTHER new persona only served to piss Sasuke off even further. "No, we're not! I'm getting damn sick and tired of you! You're constantly making me and everyone else around here look like absolute fools with that goddamned power of yours!"
Naruto shook his head in mock disappointment. "Man, you're telling me you're all bent out of shape just because I'm better than you? Look, you can't let that get you down, dude. I mean, me being better than you doesn't mean you're a loser, it just means you're like everyone else."
"SHUT UP!" Sasuke's eyes darkened and he began shaking visibly. "I can't stand listening to you anymore! And then, on top of all thatàafter the humiliating stunt you pulled with Itachiàthat was the absolute last straw! How the hell could you even think we were still 'cool' after that?"
Naruto appeared unfazed by his teammate's outburst. "Because dude, everything's cool-" He raised his fists above his head and began gesturing to himself with his thumbs. "-when you're Na-ru-to."
Sasuke roared, activated his Sharingan and charged Naruto. This new persona might be different, but it didn't seem nearly as dangerous as some of the others. He would just hit him hard and fast before he got a chance to show off his power.
Leaping forward, Sasuke aimed a kick at Naruto's head. It sailed by harmlessly as Naruto dodged with a flexibility that Sasuke had never seen before. Caught off guard, he didn't even see that kick to the side of his head that Naruto had managed to throw from an almost impossible angle. As he staggered, he failed to defend himself against the next three kicks to his abdomen, but did manage to catch Naruto's foot the fourth time. His eyes widened as Naruto jumped and swung his other foot in a high arch toward his head, which he managed to duck just in time. What he wasn't expecting though, was for Naruto to land back on his foot and kick back in the other direction, this time successfully connecting with the side of his head.
His head swam as he stumbled away, trying to get his bearings back in preparation for Naruto's next attack. But he was a little shocked to find that Naruto was now ignoring him in favor of posing and bowing in Sakura's direction.
Sasuke saw red as he rushed forward again, smirking as he successfully drove his knee into Naruto's lower back. Seeing the opening, he spun the blonde around and crouched down, sending him high into the air with an upward kick to the chin. He followed the trajectory perfectly, ending up behind him and delivering two more solid blows to his body. Finally, he brought his leg around and into Naruto's head, sending the boy crashing back to the ground with a sickening crunch.
Sakura covered her mouth in horror. Naruto had landed headfirst on the concrete floor of the roof. And with the impact of the landing, he had to have broken his neck. Her mind was screaming at her to run downstairs and get help but her body refused to follow through with it.
Sasuke was instantly filled with regret at having taken things too far. He hadn't wanted to kill, or hell, even cripple Naruto; just beat the shit out of him to prove he was still better than him, that's all.
But before he had the chance to start feeling really bad about his actions, Naruto stirred. Both his teammates watched in awe as he staggered his way back to his feet, looking a bit shaken but otherwise practically unharmed.
Is he made of fucking rubber?! "Hu...how are you still walking?!" Sasuke demanded, being too overwhelmed with surprise to feel any semblance of relief.
Naruto gave him a lazy shrug. "What can I say? I'm just one of a kind. Mr. Seven Days a Week. To put it simply," He repeated his thumb-pointing gesture. "I'm the Whole Fuckin' Show!"
Sasuke was once again furious. Not only did the idiot not have the good sense to die like a normal person would, but now he was back to mocking him. Before he even realized it, he had formed a Chidori in his hand and was dashing toward him in a rage.
Naruto calmly stood his ground, forming a seal that created several Kage Bunshin next to him. They spread out a few feet and watched as Sasuke lunged for the one of them, ready to slam his chakra enhanced fist into who he believed to be real one. He connected, but was rewarded with nothing but a puff of smoke.
"Hey teme," Sasuke heard Naruto call. He turned to the voice just in time to see a steel chair being tossed to him, which he managed to catch out of reflex. With the chair held up in front of him like it was he didn't see the jumping spin kick that hit the back of the chair, sending it directly into his face and him into unconsciousness.
"OH MY GOD!" Sakura couldn't help screaming.
The rest of the Kage Bunshin, who had all moved over to the edges of the building, all began chanting, "HOLY SHIT! HOLY SHIT! HOLY SHIT!"
As Sasuke lay sprawled on the ground, Naruto had gone back to posing for his fans, whether they be real or clone. As he was preparing to exit the rooftop he stopped, and turned back to the prone body behind him. Then he looked up at the doorway and a wicked smirk appeared on his face. With a deft leap, he positioned himself on top of the entranceway, measuring Sasuke from his new position. His muscles coiled, and just when he was about to jump, he stopped himself again.
With another glance behind him, his smirk grew wider, and with one more effortless leap, he scaled the top of the higher water tower, re-measured the distance, and with a mighty leap, sprang very high into the air, preparing to crush his unmoving teammate beneath him. Sakura turned her head away, not able to watch any longer.
But just as Naruto was about to make good on that thought, a blur shot out from the crowd and snatched the falling boy out of the air before impact could be made.
Hearing the crowd of clones around her start to boo loudly, Sakura tentatively turned back around, and let out a choked sigh of relief at seeing the arrival of Kakashi-sensei.
Kakashi, ignoring the jeers of Naruto's clones, set the real Naruto down before him, giving him a rather stern look. "Aren't you getting just a little carried away, Naruto-kun?"
Naruto looked insulted by the accusation. But rather than launch another attack or biting retort, he just grinned and shrugged lightly. "My bad, Sensei. My bad."
Walking past the older man, who was failing to hide his surprise at Naruto's laid back, rational nature, and knelt down over Sasuke, who groaned as he made his way back to consciousness.
"Sorry for roughing you up like that, dude. But from now on, let's try to keep a level head, alright? There might not be anyone around to bail you out the next time you try something stupid, ya know?" Giving Sasuke a small pat on the head, Naruto calmly jumped off the roof, feeling hungry from the workout.
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And yeah, that last line of Naruto's was meant as foreboding for Sasuke eventual squashing by Goldberg!Naruto. Also, Sasuke's mentioning of Naruto and Itachi can go however you want, though I was envisioning Doink the Clown when I wrote it.