Nikola is a five-year-old boy, very intelligent for his age, full of energy and kindness. Nikola adores his older brother Dane, and loves watching him work on new inventions, because, for Nikola, Dane is an inspiration. Nikola is kind, outgoing, intelligent, and loves his brother above all else. He always wants to prove everything with science. Nikola loves science and he wants to be a great scientist when he grows up.