Teo is a cheerful and smart 9-year-old boy with a very special characteristic in ATCHOO. When he is faced with an emotional situation, he sneezes. This wouldn't normally be a big deal, but when Teo sneezes he turns into an animal! It is never the same animal, so he might be a bear one minute, and a parrot the next. While Teo remains himself within the animal, he does take on some animalistic traits. So if is a skunk, he would smell, and if he is a chicken he would cluck while he speaks. But, with the help of his friends, he manages to get out of trouble and always turns back into plain old Teo in the end