Subscribe for more Gritty Reboots! Like us on Facebook: [https://www.facebook.com/GrittyReboots] Follow us on Twitter: [https://twitter.com/Gritty_Reboots] While growing up, Calvin's imagination always kept him sane. He didn't have many friends, so he created one. As he got older, he tried to leave childish things behind. But his imagination had a different plan.