Bowser, also known as King Koopa, is the main antagonist of the Mario Universe and the final boss of many games in the franchise. He is the King of the Koopa, but many other species obey him to help him conquer the Mushroom Kingdom. He has a son named Bowser Jr..
He first appeared in Super Mario Bros. in 1985 as the main antagonist. It will be found in almost all the games of the license such as Mario Kart, Mario Tennis, and many others.
It is in the game Super Mario Odyssey that he appears in his groom outfit after kidnapping Peach to marry her. To do this, he hired the Broodals, a group of evil bunnies who run a wedding planning agency. But that's without counting on Mario who will come to the rescue of his beloved, as usual!