is very skilled, powerful, and a formidable opponent to the Mario brothers. As Shadow Mario, he looks exactly like Mario in form, but is dark blue and translucent. In his debut in Super Mario Sunshine, he wears a dark blue one with a graffiti of Mario's nose and mustache that he uses to transform into his alter-ego, Shadow Mario. He has a light green head, a top-ponytail of orange-red hair held by a black tie, and usually wears a bandana. is a yellow-skinned Koopa similar to his father with the same yellow and tan skin complexion. Bowser Jr.'s defining traits are his striking resemblance to his father, his energetic and driven personality, his expertise in mechanics and technology, his heavy uses of his Junior Clown Car and Magic Paintbrush, and the bib-like bandana he wears.īowser Jr. He often helps his father to kidnap Princess Peach and defeat Mario, but in the end wants nothing more than to impress his father. for Nintendo 3DS and Wii U, and Super Smash Bros. has been a recurring character in the Mario series and has been made playable in several spin-offs, such as Mario Superstar Baseball, Mario Strikers Charged, Super Smash Bros. Since his debut in Super Mario Sunshine in 2002, Bowser Jr. He is the son of the series' main antagonist, Bowser. ( クッパJr., Kuppa Junia) in Japan) is a fictional character who appears in Nintendo's Mario franchise as an antagonist.