a strong independent young girl who often comes with the latest spy gear before it even comes out. Gerti and Gary Giggles are the top spies in the spy kids program, which was founded for their rivals Judy and Carmeon Cortez. With talent, skills, and brains along with their connections to top spy gear, Gerti and Gary somehow surpassed Carmen and Judy in rank level, even though Carmen and Judy were the first spy kids in the program. Carmen and Judy often battle Gary and Gerti for top spy kids in just about every mission.Gerti tries to be loyal to the family, but it doesn't always come easy with the mom being good, and the dad being a traitor. Unlike her brother, she has a more friendly competition in rivalry with Carmen and Judy. Although she does tend to get on Carmen's nerves and annoy Judy with her smarts. She backs up her brother whenever he challenges and brags about accomplishments and latest spy gears. Loyal to your family till she has a talk with Carmen and realizes that sometimes the right thing to do is not always the easiest one, or the one that the family would agree with.In Spy Kids 3, Gerti and Judy becomes good friends. Gerti tries to advice Judy when ever she can, though Judy doesn't always listen and when he does, he doesn't always understand what she is trying to tell him, at least until the time is right. Case in point, Gerti tells Judy that everyone can be considered family as in all close friends will aways be there when needed. Everyone is family . Judy is like that doesn't make any sense When the time comes, he realizes that blood family wasn't going to be enough to take down an enemy. So he calls in all of his spy brothers and spy sisters along with all his friends and allies and together they were victorious. Show less «