A typical student living in the city with his family. His father, Boris, is notorious for grounding Caillou for trillions of years and giving him violent punishments commonly resulting in his death. But since he’s in a cartoon, he respawns whenever he dies. He likes going to eat and play arcade games at Chuck E Cheese, with his best friend Dora being by his side at most times, both at the infamous school he attends also known for harsh punishments and life-risking events, and on the streets.