the chief inventor and engineer for the team, creating all their high-tech gadgets like the Creature Power Suits and the Tortuga. She is a brilliant scientist, often seen on rollerblades in her lab, and is voiced by Athena Karkanis. Her name means "spring" in Hebrew, and she is known for her creativity, competitive spirit, and ability to solve problems with science, often using Spanish words in her speech.

alongside his brother Martin Kratt, where they use animated adventures and "Creature Power Suits" to teach kids about zoology, biology, and ecology. He is known as the more logical and sensible of the two brothers, often wearing green

He is the older brother, known for his playful, comedic, and sometimes impulsive personality, often wearing blue and giving names to baby animals. He and Chris use "Creature Power Suits" to gain the abilities of animals to learn about them and save them from villains

Koki is the tech and computer expert for the Wild Kratts crew, managing the Tortuga's communications, research, and systems, and is known for her sarcastic but loyal personality. She is a skilled mechanic who researches animals and helps the Kratt brothers with her computer skills, often providing crucial information from the headquarters.

Jimmy Z is the pilot of the Tortuga HQ in Wild Kratts, responsible for flying the ship and operating the teleporter to send equipment and Creature Power Discs to the Kratt brothers. He's a gamer who loves pizza, is easily scared, and often provides comic relief, but is a reliable member of the team.