Bowser Jr.

Bowser Jr.  ( Japanese :  クッパＪｒ   Hepburn :  Kuppa Junia? ) is a  fictional character ; the sole child of  Bowser  in  Nintendo 's  Mario  franchise. Since his debut in  Super Mario Sunshine, Jr. has become a recurrent character in the  Mario  series, and has been made playable in several spin-offs, such as  Mario Superstar Baseball and  Mario Strikers Charged.

His latest appearance was in Paper Mario: Sticker Star, however his latest appearance in the main series is New Super Mario Bros. U. Jr. wants to do nothing more than his father's will (kidnap Princess Peach and defeat Mario).

Plot
Bowser, his son and his guards comes to capture the Princess Peach. Red battles with his guards, Wario and Waluigi. After the fight, he comes inside the castle, he saws Bowser and his son. Bowser thinks he's stealing his job so he told his guards to kill him. Red was about to go upsatirs until the window break noise. Bowser has a smile on his face and says to her "Marry me". The fireball and rocks through the airships and there pick up truck it was Mario and his friends. They start up fighting. Bowser told his son to get his invention. It was a robot suit with weapons and he tolds his father he loves it. And told his kid to kill the heroes. They run up to Bowser Jr. they destroy the suit. DK was now aftering Bowser and Bowser Jr.