Dragon Quest Monsters: Joker (First Game)
In the first game of Dragon Quest Monsters: Joker, the protagonist is Terry, a young boy with the dream of becoming the greatest monster tamer. He leaves his hometown to participate in the Monster Arena competition, where monsters raised by tamers fight each other. However, during his journey, Terry faces dangers and uncovers hidden secrets in the world of monsters. He must team up with monsters and battle to protect the world from looming threats.

Dragon Quest Monsters: Joker 2 (Second Game)
The second game takes place after the events of the first. The protagonist is Koichi, a monster tamer who becomes involved in a grander and more dangerous adventure. Koichi is tasked with exploring and fighting monsters across various worlds. He faces powerful enemies and greater challenges, while also uncovering secrets about the origins of monsters in this world. He must work to protect peace and prevent chaos from taking over.