Aviva

Aviva is a young slender Hispanic woman in her 20s and above average height; she has long, bushy dark brown hair that she always ties back in a low ponytail, green eyes (with a slight grayish tinge), and tan skin. She usually wears a purple V-neck shirt and a yellow jacket with a blue stripe running down both of the sleeves, blue bell bottom jeans held by a black and gray-dotted belt with a bolt on it, worn crookedly around her waist, and purple and white sneakers.

Aviva Corcovado is a member and the third-in-command of the Wild Kratts crew. She is a biomechanical engineer and the creator of all the Wild Kratts's inventions, most notably the Tortuga, Creature Power Suits, and the Creature Pods. Aviva is a strong leader and an active member of the crew. However, she can take competitions a little too seriously, and can oftentimes be quite stubborn. Though she prefers working behind the scenes, creating inventions to help the Kratt brothers, she sometimes enjoys participating in their adventures. While she has been shown to be somewhat arrogant in her abilities (no doubt due to her intelligence), she is caring and does not value her inventions over her crewmates and the animals they encounter. One does not want to make her angry, still. Although often hard at work, she can sometimes be lazy and feel unmotivated.

Aviva can be extremely fixated on her personal views of an animal the crew encounters, such as strictly believing crocodiles to be vicious monsters and hippos to be anything but. These views have changed due to the Kratt brothers interactions with them. However, this only occurs when she sees it from the Kratts brothers point of view, as she didn't believe them when they tried to tell her mouse lemurs could be very vicious. Sometimes she is both hypocritical and deniable because before she got better at dancing, she said she can’t dance but tried to dance.

Aviva can also be impulsive, often rushing without thinking things through; an example of this would be in the episode "Attack Of The Tree-Eating Aliens" where she initially accused a woodpecker for drilling holes in the trees without getting proper evidence, which would later be revealed to be an Asian long-horned beetle.