Mario is a plumber of video games who has become an iconic figure in the gaming world. He first appeared in the 1981 arcade game Donkey Kong and has since been featured in over 200 video games. Mario is best known for his role in the Super Mario series, where he is the protagonist and main character. He is also the mascot of Nintendo, the world's largest video game company. Mario has become one of the most recognizable characters in the world and is often referred to as 'The King of Video Games'.