Justin Russo

Justin Vincenzo Pepé Russo is the eldest of the Russo kids and is a full wizard like his younger sister Alex. He's one of the most gifted wizarding students of recent times, creating his own spell, being able to use the Russo family wand with amazing success, and being well viewed by adults and professors, both mortal and magical. In the show's finale, Justin keeps his wizarding abilities by replacing Professor Crumbs as the new Headmaster of Wiz Tech.

Personoli##ty
Justin is one of the most intelligent and posses vast knowledge, both of magical things, such as spellcraft and magical creatures, but also mathematics, history, robotic and geography. He's capable of built robots, water motors and mechanisms that simulate a flying carpet. His own knowledge makes him the chosen by his family to solve problems, like found excuses to hide magical affairs to protect magic from exposure. Justin is labeled by his own family to be kind and generous but also has a vengeful and naive side. He strongly believes in aliens and that the language spoken by the Alien Language Club is actual allien and not make 'em up. He's also sometimes self-centered and likes to be the center of attention, being sometimes deceived when he's praised.

Rosie
see: http://waverlyplacewizards.wikia.com/wiki/Justin-Rosie_Relationship

Trivia

 * In the episode “Alex Tells the World” Justin and Alex was demoted to level 1 in their family wizard’s competition. To regain his lost points, he begins to tutor Wiz-Tech’s delinquent wizards in “Alex Gives Up”
 * It should be noted that Justin is quite unlucky, he normally ends up the worst at then end of each story, having only bested Alex a few times, sometimes he loses even when no one trys to make him (Captain Jim Bob Sherwood), when it comes to romance, the only two times he has ever had a true love, he has been forced to part with them (although he is reunited with a young Juliet in "Wizards vs. Everything"), and his numerous achievements are often ignored by his family, and most other people.
 * He and Alex are the only characters of the principal cast to appear in every episode.
 * He and Alex are the only two of the Russo Trio to keep their powers. Alex becoming the family wizard and Justin becoming a full wizard due to becoming the new Headmaster of WizTech.
 * Justin is Jerry, Alex is Megan, and Max is Kelbo in terms of personality
 * In "Disenchanted Evening," Justin states that he is allergic to cinnamon, but in "Graphic Novel," he says he loves pumpkin pie.
 * He believes in aliens and is a member of the Alien Language League.