Justin Cavallero is a major member of The Teen Ninjas and Chad Dickson's best friend.
Powers and abilities
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| Gallagher Elementary School | Delightful Mansion From Down The Lane | Camp Lemmeouttaheah | Cavity Cave (Video Game Location) | Chickenpox Island | DNK Treehouse | Hendry Middle School | Kids Zoo |
McClintock High School | Mr. Jelly's Candy Store | Romantic Burger | Supervillains Supermarket & Deli | Sprinkle Puff Donut Shoppe | St. Rita's Preparatory School | Tasty Taste Ice Cream Factory | Tieland Commons Shopping Mall | Balooka's Grocery Store | Burger Frenzy | Cowboy Kids Treehouse | Dr. Teef's Dentist Office | Fluffy Meadows Rainbow Monkey Retirement Home | Great Library | Hap-Happy Land | Lime Ricky's Bar (a.k.a. KND Soda Speakeasy) | Memorial Hospital | Numbuh 2's House | Numbuh 3's House | Numbuh 4's House | Numbuh 5's House | Numbuh 86's House | Pinhead Lanes Bowling Alley | Plush Meadows Stuffed Animal Cemetery | Rainbow Monkey Happy Sugar Land | Rainbow Monkey Island | Supervillains Supermarket & Deli | Sure Would Forest Senior Center | Tepid Waters Swim Club | The Alamode | Sectors