Matt vs. Shaggy

Music to set the mood for the opening scene: https://www.youtube.com/watch?v=N1-RyLUQUrA 
Matt is sitting at a table in Krusty Burger, eating a quadruple decker sandwich filled to the brim with ingredients of billions of different varieties, but all good for his health in some way so he can kick more ass when he gets back to Wuhu island. 
Suddenly a portal appears out of space and time in front of him, and the being who came through the portal was none other than Shaggy Rogers.
Shaggy angrily smirked at Matt. “Ah, so like, you were the one who took my quadruple decker sandwich.” Matt looked up and glared at the man who appeared before him.
Shaggy simply grinned and glared back at him. “Like, you should give it back to me or else you're in for some trouble, man.” He says, getting into a fighting stance.
Matt responds by simply getting up from the table, putting the sandwich down on it. Suddenly, his fencing gear and purple saber appear on him. He gets into a fighting stance as well.
Shaggy glares at him “I guess that's a no then, man. Like, don't say I didn't warn you, but no one gets away with taking a quadruple decker sandwich from me.” 
FIGHT!
Battle Music: https://www.youtube.com/watch?v=GsYy6GpmPsM 
Shaggy begins by running towards Matt with a forward punch from his left arm to his gut. Matt is fast, and reacts by parrying the punch with his fencing blade and quickly counterattacking by slicing at Shaggy's face, which knocks him back into a wall, destroying it. Shaggy gets up and smirks. Matt then dashes towards him with a stabbing blade motion. Before it reaches him, Shaggy catches it with both hands. 
“Heh, not bad man.” Shaggy then starts to spin around multiple times, building up momentum at a rapid pace with Matt still holding the blade and he throws him up, causing the fencer to crash through the ceiling and high up into the clouds. The orange haired man then jumped up to Matt’s altitude, and, still smirking, performed a drop kick on his opponent. Matt quickly turned his body in the air and parried it with his sword, but the momentum of the attack still carried over and he was launched far down. Matt was able to reposition himself in the air to land on his feet when he hit on the ground, making it crack intensely. 
Suddenly, Shaggy started to crash down at incredible speeds towards Matt with a punch. The Mii began to charge a powerful sword slash upwards to counter it. As Shaggy reached him, Matt unleashed his attack at the punch. The result of the two incredibly powerful forces colliding was the earth completely splitting in half. The whole thing was in two pieces.
Matt jumped back on one half of the completely split apart earth and Shaggy landed on the other. A storm began raging around them, with thunder, lightning, and a large tornado being created through the sheer intensity of the battle. They glared at each other. Matt was cold faced and Shaggy grinned devilishly. “Heh, like, that was pretty good, man. You made me use 10% of my power, and this time it wasn’t me doing it out of respect like for that Sasuke dude...” He says. Matt kept staring at him. Suddenly, Shaggy flashed away in seemingly an instant and reappeared behind Matt, catching him off guard. “Well...10% in this form, anyway.” Matt attempted to parry again in the little time he had, but this time, Shaggy was able to find an opening, and went for a devastating roundhouse kick directly to his chest. 
The foot collided with the Miis chest, and Matt flew at speeds exceeding light quintillions of times over again until he hit the sun. The collision with the star was so intense that it caused it to shatter at a quantum level. All of the quantum strings in the star were separated across the entire universe, until fading into absolute nothingness.
Shaggy was still on the split earth. He chuckled and scrambled through his pocket, grabbing a scooby snack. “Mmm, alright, let’s like, end this already.” He ate it, and it powered him up immensely. Matt got up, easily recovering from the force he felt. He looked down to see Shaggy flying towards him. 
Shaggy began shouting something “Like, Ka-Me-Ha-Me….” Before Shaggy finished, Matt switched out of his fencing gear and quickly pulled out his tennis racket. Shaggy finished. “HAAAAAAA!” He fired a blue energy beam the size of the entire solar system moving at incomprehensible speeds at Matt. Just before it could hit the Mii, Matt swung the racket with both hands at the beam, causing the massive amount of ki-generated energy to be reflected back at Shaggy. 
Battle Music: https://www.youtube.com/watch?v=B4tPEjZqSC0 
“Like, what the heck, man?!” He was genuinely astonished that Matt could do this. Shaggy was using about 50% of his power in base form as he did this, so to even compare to this level was insane. Shaggy began to dodge and teleport around the beam being reflected towards him as best as he possibly could, but it was just too fast, and directly hit him. “Zoinks!” He shouted as the beam engulfed his body. He flew all the way through space to the outside of the andromeda galaxy in mere zeptoseconds. He shook his head to regain composure and cracked his knuckles, smirking again. “Now like, this is genuinely fun.” Suddenly, Shaggy realized that something was coming for him at incredible speeds. It wasn’t Matt, but a lot smaller. It was...a tennis ball?
Shaggy flew to the side to dodge it. The ball hit a star, blowing the entire thing up in an epic fashion. Afterwards, more tennis balls came Shaggy’s way. “Like, seriously man?” Was all he could say. He began to fire energy beams from his hands at all the tennis balls coming his way while trying to reach where Matt was serving all of them. The beams collided with the many balls, causing gigantic explosions with each one. However, the large amount of tennis balls around him began overwhelming Shaggy. Some were capable of hitting him. “Ugh, this is like, the worst game of tennis ever!” he says, his voice cracking immensely. 
Matt kept on moving around at incredible speeds, constantly serving more and more. Shaggy began to grow irritated. “Ugh! 75% of my power it is!” Shaggy began radiating a golden aura around him, smirking. He began to easily start moving around and swipe away the Tennis balls surrounding him. Soon, Shaggy saw where Matt was and began to fly towards him. Matt was flying back attempting to not let Shaggy reach him, but the orange haired dude was prepared for this. He focused, constantly avoiding the tennis balls around him to use Instant Transmission to teleport himself behind Matt. 
The Mii was surprised as a fist from Shaggy came towards him. He tried to switch his gear once again, but simply couldn’t do it in time. The heavy punch crashed directly into Matt’s gut, launching him far away, directly into the black hole at the center of the Andromeda in seconds. Shaggy looked down, smiling. 
“Alright, since you like, gave me a good challenge and all that, I’ll let your end be super cool and stuff.” Shaggy flew around the entire galaxy, gathering all of the stars within it. Soon, he put all the stars together around the black hole Matt was thrown into and was readying a powerful punch. “Alright dude. Goodbye.” He punched the massive star that somehow didn’t collapse under its own mass yet and it completely exploded, with Matt in the middle. The shockwaves of the absolute rupturing of the star combined with the power of his punch went around the entire universe. All that was left was a black hole that was even bigger now.
Shaggy crossed his arms and smirked. “Well, that was pretty awesome dude, well, maybe for a mere mortal like you.” He began to fly back to earth to attempt to fix it and eat the sandwich he rightfully deserved. However, he suddenly sensed a massive spike in energy. He turned around. “No way, dude…” He flew back to where the massive star he created exploded to see none other than Matt himself, now wearing boxing gear, and he was flying towards Shaggy as quickly as he possibly could. Shaggy sighed “Man, you can take a lot.” He began to fire many more energy projectiles at Matt that the boxer avoided with ease. 
Matt reached shaggy with little to no trouble at all and readied a punch. Shaggy tried to dodge but it was no use. It collided with him, causing another shockwave and launching him back very quickly quite a distance away. Shaggy clenched his fist and growled. But he recovered and began to laugh “Alright man. You’re like, pretty good. You can keep up with my power very well.” But his golden aura grew brighter. “So let’s see if you can deal with 100% of it all directly in your face.” 
Battle Music: https://www.youtube.com/watch?v=SaeXN-MByjU
Matt watched as Shaggy finally reached his full power in this form, glowing a golden aura that started to spread out all across the universe. The Mii readied a fighting boxer stance. Shaggy’s aura finally reached the ends of the entire universe, and it began to evaporate it completely out of existence. The maximum power for this form clearly was too much for the very universe itself to comprehend. Despite all this, Matt stood his ground, and watched the full power of his opponent’s current form being unleashed.
Shaggy glared and smiled evilly at the Mii. “Alright man. This is your last chance. Do you wanna be stepped on like an ant or surrender that delicious quadruple decker sandwich to me?” Matt simply flew towards Shaggy, fists raised in front of his face. Shaggy scoffed, getting into another fighting pose. “Psshh. Your choice. But this is what happens when you rob someone of a good meal.”
Matt went for a straight punch towards him, which Shaggy backflipped out of the way quickly, causing afterimages to emerge in the midst of his movement, and counter attacking with a hard straight kick. Matt reacted quickly by blocking the kick with his gloves, but this knocked him backwards at speeds exceeding time itself across the universe. Shaggy teleported above him and actually caught him off-guard, using another powerful punch directly towards him. Matt was staggered, but immediately countered by rising up with a strong uppercut towards Shaggy’s jaw, which collided, sending him flying upwards through space and colliding with the many collapsing galaxies within the universe.
“Guh!” Shaggy grunted before gaining composure. The Mii flew towards his opponent, going for a very powerful punch. Shaggy barely dodged and retorted with a punch to Matt’s gut. It hurt the boxer severely, but Matt still got up and attempted to punch him again. Shaggy avoided the punch by teleporting out of the way and punching him straight in the face, making Matt fly back a fair distance. As the Mii was immensely staggered by the punch, Shaggy began to shout, “KA-ME...” Matt regained composure and looked up. He saw Shaggy charging up an energy beam. So, almost like Little Mac’s neutral B, he began to charge up a massive punch directed towards Shaggy “HA-ME…” Matt was almost done charging. He just needed to wait a few more instances. “HAAAAAAAA!” Shaggy fired the beam, which sized at around half the entire universe and as it came towards the Mii, Matt had finished charging his punch, and unleashed it at the absolutely gigantic wave of energy coming towards him.
The Mii was able to tear through the beam with his punch. Shaggy kept trying to focus, but the Miis punch was clearly out powering his beam. Shaggy actually seemed to struggle a bit, and became more irritated than ever before. The Mii quickly came closer and closer, as Shaggy tried to push himself more and more. In the end, it was no use. The Mii completely outpowered Shaggy’s beam, and hit the meatiest sock Shaggy has ever felt in his life right on his face, causing him to fly back across the universe once again
Shaggy became incredibly angered, “Gah, alright then. This is getting annoying.” Matt began to fly all the way over to the end of the universe getting ready for another heavy punch right at Shaggy. Shaggy retorted by flying towards his opponent and getting ready for a massive punch of his own. The two flew towards each other faster than time itself. With this incredible speed, they got closer in an instant and Shaggy’s fist collided with Matt’s boxing glove. The result of these two incredible forces colliding with each other was a shockwave that spread out through all of space and time across the entire universe. The universe’s entire timeline, past, present, and future, was completely annihilated from existence.
Music Ends here
Shaggy and Matt survived the collapse of the entire timeline, but they ended up unconscious, falling down to the next universe, landing near each other on an orange colored planet within. 
Theme Here: https://youtu.be/Q0aDtTTHr9U?t=255 
Shaggy was the first one to get up while Matt was still lying on the ground. “Ugh...this is getting boring. And like, the quadruple decker sandwich was destroyed, man! I didn’t want to have to do this, but you’ve left me no choice.” Suddenly, Shaggy takes out a box full of Scooby snacks from his pocket. He opened it up and poured all of them into his mouth. This let him recover a ton of energy - enough to unleash what he desired to. “Here it comes.” He said, charging power in his body. It took a while, but he gained all of his energy, and then…
...his hair turned silvery white. An aura unquantifiably more powerful than any other he’s unleashed radiated out of his body, and it began shattering all existence around him. Practically every universe, multiverse, dimension, and even concepts themselves began to fade away into absolute nonexistence. This included Matt himself, who faded away along with the rest of reality into complete nothingness. Soon, everything was completely gone, and Shaggy would be left in a void of darkness.
Shaggy scoffed and sighed. “Guh, what a pile of work. I hate doing that. Guess I’ll have to remake everything...again.” Shaggy looked around and heard a sound that sounded like someone was swinging a saber coming from behind him. This surprised him and he turned around. It was Matt, flying towards him, this time holding a red Saber.
“WHAT?!” Shaggy shouted. “Ugh, go away already dude.” He waves his hand at Matt and the Mii gets completely erased again. “Whew...HUH?!” Suddenly another Matt appears out of nowhere, ready to battle Shaggy again. Shaggy waved his hand to erase him again. But then, another came, which Shaggy erased as well. Then another, then another.
“Ugh! Like dude, you’re gonna keep getting erased, so just give up.” Another Matt showed up. “Ugh, you don’t stop, do you? Seriously?“ As Shaggy was about to raise his hand again, Matt gestured to him to stop. Shaggy rolled his eyes and obliged. “What do you want, dude?” Matt opened up a portal next to him. It showed that the quadruple decker sandwich was actually saved, and it was sitting on a platform of sorts. Shaggy stared at it. It was saved at some sort of boxing ring. Behind it was Matt’s true form sitting on a chair in some dark place, and he was beginning to eat it.
Shaggy got angered, “Oh man, you don’t cross the line like that.” Shaggy stuck his hand out attempting to pull the sandwich in, but for some reason, he couldn’t affect wherever Matt resided at all. He became angry, and simply jumped towards the portal and went through it, but as he did, the platform holding the sandwich began to rise with strings attached to it, so he missed it. He looked up, and saw Matt with boxing gloves on. Just as he was getting up, he noticed something was odd about himself. He was wearing green boxing gloves and looked quite odd. His body was more ovular, and his hands were detached from it for some reason, but he could still move just fine, but he was certainly a lot less powerful than he was before. He became a Mii just like Matt.
“What in the world, man?” He said, gulping. He didn’t expect this at all, but he still looked determined, so he got up and faced Matt. Suddenly, the lights came up around them and there were millions of people sitting in the stadium. Both Shaggy and Matt raised their gloves up. On an electronic board above them was blue illuminated text saying, “Final Round.” Shaggy looked at Matt and smirked. “I see, bro. You brought me to your turf. Well, like, be prepared for the ultimate beat down.”
They both went to opposite sides of the ring and stretched to get ready. Afterwards, they both started to approach each other. Finally, the announcer would shout “Fight!” and the battle would begin.
Battle Theme: https://www.youtube.com/watch?v=dmdOSIzsq3Q 
The fight started with Shaggy throwing a punch at Matt’s gut, which he dodged out of the way and retorted with a punch to Shaggy’s face which hurt quite badly. A round pie-chart looking thing appeared next to him and lost a piece of it. Shaggy grunted but then began watching Matt’s movements as they both strafed left and right with each other. Matt went for a straight punch which Shaggy barely dodged away from and countered with a powerful jab right to his face. His pie-chart looking health bar appeared as well and lost a chip. This went on for quite a while. Many fists were thrown and they kept dodging out of the way of each other. First, Shaggy was the one to fall due to mistiming a punch that Matt dodged and countered with a straight right in his Jaw.
Afterwards, Shaggy was able to get the next knockout against Matt by trying to dodge more carefully than before and hooking Matt right in his bald forehead. This went on. Matt got the next knock down, then Shaggy got Matt back. They seemed very equal here. In the final few moments of the battle, they were both actually growing quite tired at this point, so it was sluggish, but it was all almost done. Shaggy began with a right hook towards Matt’s face. The Mii blocked it and punched a straight at Shaggy’s gut, which he dodged away from and jabbed Matt right in the gut in response. They both panted, tired as all hell. Shaggy wanted to finish this as much as Matt did though, so they both attempted to do so. Matt returned with an uppercut right to Shaggy’s jaw, as the orange haired Mii was too tired to continue much longer. Then both went for a powerful jab straight to their opponents faces, and they landed at the exact same time, resulting in both of them falling down, ending the fight in a draw. 
Battle theme stops
After a few moments, they both got up at the same time and patted themselves off, looking at each other straight in the eyes. Shaggy smirked. “You’re not bad at all y’know. We caused a lotta damage. And all of this over a silly sandwich? Man, sorry I got that pissed at you but you shouldn’t steal anyone’s sandwich man. Especially when it’s a quadruple decker. It’s like, not cool, my dude.” Matt nodded and shrugged. Shaggy continued. “Why don’t we split the sandwich, though? You look rather hungry and you did give me a good challenge.” Matt gleefully nodded, and threw his left hand up to gesture for them to let the quadruple decker sandwich down. However, when it came down, everyone in the arena was shocked to see none other than a mii-ified version of Scooby-Doo with a bulging belly licking his forepaws instead of the sandwich.
Shaggy glared in surprise. “C’mon Scoobs! We were about to eat that.” Scooby looked at both of them and smirked awkwardly. The dog said, “Oh! Rorry!” Both Matt and Shaggy rolled their eyes, but Shaggy came up to him. “Don’t worry, we can buy another. C’mon uhh...what’s your name, dude? I don’t think I ever caught it.” Matt looked at him and blinked a few times. Shaggy just awkwardly glared back. “Still the silent type, it seems. That’s fine, dude. Do you at least have a joint where we can get food?” Matt nodded and gestured his hand for Shaggy and Scooby to follow him. The pair happily obliged and they all went out for a nice dinner. 
And that is why you don’t steal someone’s quadruple decker sandwich because they may destroy almost all of existence.
END