Does Max become a full wizard?
Max was the only one of the Russo Trio to not keep their powers, as Alex became the Russo Family Wizard and Justin became the new Headmaster of Wiz Tech thus gaining Full Wizarding Abilities.
Alex wins and gains full wizardry; Justin becomes a full wizard as well when Professor Crumbs reveals he is retiring as headmaster of WizTech and passes the position to Justin. Jerry also decides to pass down the Waverly Sub Station to Max one day since he is the only child who is not a wizard anymore.
Alex wins the family wizard competition and is awarded full magic powers, while Justin is allowed to retain his abilities when he assumes the role of headmaster at WizTech, a boarding school for young wizards-in-training. Max loses his powers and is set to become the new manager of the family's sandwich shop instead.
At the end of the episode, Max tells Crumbs about how Alex and Justin turned him into a little girl. Crumbs replies that they turned him into a little boy but that the two managed to reverse it, which makes them splendid, and leaves.
Maxine Russo was an alter-ego of Max Russo that was created when Alex and Justin crossed spells and created and transformed Max into a little girl. The cover-up story the Russo's came up with to explain Maxine's existence is that Maxine is their cousin from North Dakota.
Penelope then explains she and Max love each other very much and they are deeply committed to each other but they're never getting married.
The series finale revealed Alex Russo to be the winner of the Wizards Cup, and therefore, the family wizard, but when the storyline was first introduced, Selena thought Max, played by Jake T. Austin, should win. Jake had a more neutral approach, and thought that no one should win. 13.
The Wizard Competition is a magical battle between wizarding siblings to decide who will become the Family Wizard (Full Wizard). The reason why there's a Wizard Competition is because only one wizarding sibling that is becoming the Family Wizard must be proved to be worthy and responsible with his/her powers.
She and Justin are the only two of the Russo Trio to keep their powers, with Alex becoming the family wizard and Justin becoming the new Headmaster of Wiz Tech.
Maxine Roberta Rose "Max" Russo is Max as a female. This happened when Alex and Justin crossed spells and made Max a little girl. She is there for only 7 episodes though.
Is Theresa a wizard?
Unlike her children, she is a mortal and Jerry gave up his powers so he could be with her. However, all three of her children still inherited his magic abilities.
After Justin, Alex, and Max destroy Gorog, Juliet and Justin finally reunite. In the finale, Juliet attends the family wizard competition and cheers for Justin to win. Once he emerges first she tells him how proud she is of him.

Hawk a.k.a. Phoenix is the daughter of Maximum Ride and Fang. She was born towards the end of Maximum Ride Forever.
The L Word, Season 6, Episode 4: After being patronized by Jenny, Max vent's to Billie.
Portrayed by
Maximus "Max" Octavius Thunderman is one of the main protagonists of the original series The Thundermans. He is a superhero whose superpowers include Telekinesis, Heat Breath, and Freeze Breath. After years of aspiring to become a super-villain, he eventually chose to become a superhero.
Justin gets back together Juliet after Gorog made her young again. In the final episode, Alex, Justin, and Max do the wizard competition, and despite Justin winning, Alex and Justin both become wizards, and Max inherits the sub shop.
One such case is Justin Russo, who was allowed to keep his powers despite losing his competition to his sister Alex, as he became the head of WizTech to replace Professor Crumbs. Stevie also walked out of her family's Wizard Competition, which allowed her to keep her powers.
“Nothing has happened yet, but there's a lot of talk,” Henrie told Access. “We all talk about it for fun … Everyone would be down, but it's just a matter of time I think.”
She went to school, to become a nurse practitioner. That's where she met Max, her new boyfriend. She eventually breaks up with him, since he said he wanted kids. Penelope didn't, and couldn't take that away from him.
The pair marry, but have to deal with Cressida Cowper's threats to expose Penelope as Lady Whistledown. Instead, Colin proudly announces the revelation himself, leading to praise from the ton, while saving her reputation, and the pair live happily ever after in wedded bliss.
What happens at the end of Max?
At the last moment, Max runs by the bridge to save Justin. Tyler aims his gun at Max, only for Justin to kick him from underneath, giving Max a chance to pounce on Tyler and push him off the bridge to his death. Emilio is arrested, and the family is back together again safely.
Harper was able to regain her memory of the event in the lunchroom at the beginning of "Third Wheel", and informed Alex that Stevie is, in fact, a wizard.
Alex quits the wizard competition because she and Justin were sent back to level one after "exposing" wizardry in "Alex Tells the World" leaving Max the most expected to become the family wizard.
Jerry Russo is Theresa's husband, and father to Justin, Alex and Max. Born a wizard and having possessed magic powers as a child, he won the family wizard competition, but gave them to his brother, Kelbo Russo, in order to marry Theresa, a mortal.
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