Mario is basically a simple character without a solid personality since he was meant for players to integrate their own personality into his character. When his demeanour is shown, Mario is aggressive and impulsive, sometimes going head-on into things without much meditation.

Despite these potential flaws, Mario is a brave and kind-hearted hero with a strong sense of justice, morality and righteousness. He puts, more often than not, other people's needs before his own, and he is willing to risk his life to save millions of others from the forces of evil.

Although Mario is generally a good-natured person, it seems he doesn't enjoy losing much, often when losing in spin-off games (i.e. Mario Party) he has a sad look on his face, and in Luigi's ending in Mario Power Tennis he seems to be congratulating his brother, but he intentionally steps on Luigi's foot because he lost to him in the tournament.

He remains quiet but when he talks he talks heavy and harshly. In the cartoons, Mario speaks with a characteristic Brooklyn accent, but his current incarnation — voiced by Charles Martinet — has a blatant Italian accent. Mario is also funny and comical, along with friendly, persistent, and always knows what he is doing. In addition, he enjoys Italian foods such as pasta, but does not like pizza as much.

So try to sound exactly like him from the Games!