I already posted this on a different forum. So I'll just copy/paste the research done.
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Everyone, I thought of a theory at school. This theory states that Mario and his friends are evil and Bowser is the good turtle trying to stop them. Okay, here is one reason why. In Super Mario Galaxy, if you ever played this you would understand.You know the stars right? Not the power stars but the ones that talk to you. Why are they fed star bits? That's complete cannibalism. And because of this, they will survive and reproduce, making more food. So, Roselina is caring for the stars as a farmer. Roselina and her friends will eat the stars. And Mario is just helping out by getting more energy with more power stars. Mario is a plumer, why is he collecting stars? Plumers work to fix pipes, toilets, etc.
Princess Peach, oh the fiend. Princess Peach encourages Mario to collect more and more stars for power. This is why Bowser takes Princess Peach and hides the stars. Bowser wants to protect the stars because stars help other planets. Maybe it gives light to other planets that Bowser lives on. And all Mario has to do is turn on Luigi's flashlight from Luigi's Mansion and go down his pipes. Bowser can't fit in the pipe, so without the stars, he can't see. And he'll run out of fire to breath someday. Bowser won't be able to live without light, while Mario just sits in his pipes and laughs at the world dieing. Feeding on the rats that live in the sewer. Why do you think there is stars in every single Mario game? Mario wants to feed on the stars and gain more power. Grow giant like his taunt in Super Smash Brothers. Everything connects. Mario is evil. He even calls us "Ur Mr Gay" at the front cover of Super Mario Galaxy. And if you don't know about this, look it up.
Someone metioned Mario is probably a communist. Also, in Paper Mario 64. Mario used some stars as slaves. He just used them to get the power stars for more energy until finally he gets the star rod from Bowser. And what does he do to the stars and the star rod? He gets all their energy. Mario will then rule the world and make the world communist. Plus, everyone thinks that Mario is the good guy. But, no. Bowser had some attempts by making his son an imposter of Mario in Super Mario Sunshine, but Mario is just too powerful. Some people where against him, but he was just too powerful.
There are plenty of reasons why Mario wants all the energy he can get to take over the world. One, he may be frustrated that he is a plumer and doesn't get much pay as most other jobs. This is why he's collecting stars instead of getting paid and doing his job. That could be one reason. Another reason was already stated, to spread communism. Also, this reason is doubtful. But Mario may want to make you think that this is not true. Mario is Hitler number #2. Hitler did his part and went suicide. But, he did this to think that they surrendered so the Americans could believe they won. The Americans are being brainwashed by Mario and think he's a good guy. After all this power gaining of Mario, Mario will proceed to stop the Jewish religion. There are many things to defend this reason, but each make it a different story.
Mario could be Hitler #2 and to back this up, he has the same mustache. Same hair. And how evil he is wanting to gain power, ohohoho. Command economies are what he looks upon. Another thing could be that Mario is covering up that he's a Palestine by having the funny Italian accent. He wants to also kill the Jews. Really, Hitler may be a Palestine and that's why he wants to kill Jews. Mario is Hitler's afterlife.
That is another theory. All of Mario's friends share a part. Stars for energy, Peach for encouragement with her baking of cakes, Luigi helping Mario with the leftover tasks he needs to accomplish, Yoshi used as transportation, and Toads also for the encouragement even wearing diapers as a reminder that they can have both a laugh at Toad's diapers and a laugh at planet Earth. While Bowser and his slow turtles can't do a thing.
Super Mario 3 is evil. It's full of inverted crosses and sets of blocks shaped like an H(ell). The 8th world is full of fire and skulls. The tarrot cards have "N"s on the back, probably standing for necronomicon. Random "P"s must be "Possession", or maybe Pentagram, which makes an appearance everywhere. The seven sons of Bowser represent the seven deadly sins. You kneel before Satan on a block, and after 6 seconds, you fall through, there's six arrows on the possession meter, and to reach the goal in one of the levels, you go in the 6th door. That's 666. Everywhere you look, it's the number of the beast. The devil watches you through the whole game. The clouds have eyes, the hills have eyes. Literally, the hills actually have eyes. Princess Toadstool thanks heaven, which there's no need to do unless there's a presence of Hell, there's 8 worlds, in the 8th world, there's 5 spaces to stand on where giant hands drag you down to your doom, there's 12 tanks you have to jump on before you reach the end, and you have to make Bowser jump 12 times before he falls and dies. That's 8 5 12 12. The 8th letter of the alphabet is H, 5 is E and 12 is L. H-E-L-L. What's that spell? Hell.
I have some more reasons, but I can't think of them right now. Any thoughts, comments?