This cartoon is about a boy named Billy and a girl named Mandy. They used to live a natural life until they met the Grim Reaper.
They bet with the Grim Reaper to a game of Limbo, if he won he would get to destroy or either gets to keep their pet, but if they won he would have to be friend with them forever. In the end Billy and Mandy won, so Grim was forced to be friends with them forever. For the first few days after the bet Billy and Mandy used to make fun of Grim and sometimes even tortured him. Many episodes of this comedy and adventure cartoon were released and even some movies were also released representing this cartoon, such as Billy and Mandy’s big boogey adventure and lots more. Many games of this cartoon were released to be played on a Gameboy, computer or a play station.