Bowser Jr. - New Super Mario U Guide - IGN

Bowser Jr. is the kid son of the King Koopa himself, and has helped his villainous father kidnap Princess Peach on more occasions than one. He calls her

Bowser - New Super Mario U Guide - IGN

Super Mario 3D World - Wikipedia

World 8-Air Ship - New Super Mario Wii Guide - IGN

Meringue Clouds Airship Bowser Jr. Showdown - New Super Luigi U Guide - IGN

New Super Luigi U 3 Star Coin Walkthrough - Meringue Clouds Airship: Bowser Jr. Showdown

Bowser Jr. Part Two - New Super Mario U Guide - IGN

Meringue Clouds Airship Bowser Jr. Showdown - New Super Luigi U Guide - IGN

Ludwig von Koopa - New Super Mario U Guide - IGN

Morton Koopa - New Super Mario U Guide - IGN

New Super Mario Bros. U Nabbit Chase Stages Revealed

World 8-Bowser's Castle - New Super Mario Wii Guide - IGN

New Super Mario Bros. - Super Mario Wiki, the Mario encyclopedia

Super Mario 3D World + Bowser's Fury - Super Mario Wiki, the Mario encyclopedia

Meringue Clouds Airship Bowser Jr. Showdown - New Super Luigi U Guide - IGN

Boss Guide - New Super Mario U Guide - IGN