Big Jet is cruel, competitive, merciless, unfair and arrogant, selfish, who likes to ruin the Little Einsteins fun. But in show and tell episode, he redeems himself and becomes a very soft and affectionate 4th generation air superiority fighter.  Big Jet even has a soft spot and a huge crush towards annie from the little einsteins. As the years went on, Big Jet would begin kidnapping Annie due to both a megalomaniac desire to rule the world, but also because he had fallen in love with her. 