Choi Jadoo is the mischievous and lovable main character of Hello Jadoo. She is a nine year old elementary school student who while attending her classes finds time for adventures. Jadoo is a headstrong little tomboy who always tries to do the right thing. While she is a little stubborn and won't hesitate to punch or kick a bully she is fiercely protective of her friends and family. Her loud personality contrasts well with her best friend Minji Gim's personality and more quiet demeanor. Additionally her family reflects her chaotic attitude with her equally headstrong mother, lazy father, and spoiled younger siblings defining her happy and tough personality. Even though curious Jadoo can get a little adorably violent she tries helping others whenever able to. Her amazing character attracts many friends and the occasional suitor, bringing with them new hijinks and fun.