Oliver Rosen is a charming and wealthy 12-year-old with a mischievous sense of humor. He enjoys indulging in anything that catches his fancy, but he harbors a secret desire to possess an infinite credit card. Despite being an orphan, he doesn't let his circumstances hold him back, and he is eager to make new friends and take them on wild adventures. However, he can sometimes come across as overly flirtatious with girls, which can be off-putting.