Hero of the Mushroom Kingdom, Mario had his humble beginnings when he and his younger brother, Luigi, found a mysterious green pipe in the sewers of New York that brought them into the kingdom. Finding a small, panicking creature with a mushroom on its head, it quickly told the siblings that the princess of the kingdom had been kidnapped by an evil monster named King Bowser, who had turned most of the kingdom's inhabitants into brick blocks.
Forcing the duty of saving the princess on them, the two set out on their first adventure to thwart King Bowser's devious plans. Now, after many years and adventures, Mario is the recognized savior of the Mushroom Kingdom, who has saved both its princess and inhabitants from innumerable forces of villainy.
However, being a hero as great as Mario, he has gained many enemies over the years and many fear the possibility of them returning to once again bring ruin to the Mushroom Kingdom. However, the citizens of the kingdom also have hope in their hearts, as Mario has proven that no single task is too great for him to overcome.
Mario is selfless, and will gladly sacrifice his own well-being for the sake of the kingdom as a whole. He is also kind, showing compassion for everyone, even bitter rivals such as Wario. The biggest receiver of his kindness is his younger brother, Luigi, who Mario will defend till the day he dies.
Mario's fighting style is one without much finesse, he usually takes the approach of attacking without letting up, only going on the defensive once he is at a clear disadvantage. His Ultra Hammer is nearly indestructible, and can deliver a powerful beating to any enemy unlucky enough to be on the receiving end.
Mario also has the capability to use the many strange and unique Power-Ups scattered around the kingdom to his advantage. These Power-Ups, along with giving Mario multiple useful and unique powers, also increase his durability to some extent, allowing him to take more hits than he would normally be able to. He keeps a few of these Power-Ups on hand. However, he has only a small number of them compared to his brother Luigi, and so if he is going solo on a mission Mario will usually be very cautious with using them, to the point of not using them at all on the off-chance that there may be another, even bigger danger they would help more with.
Mario's incredibly offensive approach to fighting leads to him being easily outplayed by opponents who have strong defenses to withstand his onslaughts, and his usual disregard for defense outside of the small durability Power-Ups grant him can easily lead to his downfall in battle.
However, Mario isn't the hero of the Mushroom Kingdom for nothing, and is ready to take on any threat that seeks to bring the downfall of the kingdom.