Lucas Diamondson is the main character in the series Pt: Sinnoh Stars. He is from Twinleaf Town and has just embarked on a journey in the region of Sinnoh. He aims to be the Sinnoh League Champion, like every Trainer does. His rival is his best friend, Barry Platinumus. Lucas is also good friends with Dawn Pearlman, a Pokemon Contest Coordinator. Lucas is intelligent, kind, caring, and loving. He had dreamed of having Pokemon all his life. Many of the top Trainers of Sinnoh admire how he takes care of Pokemon, compared to Barry. Lucas is also known to be a liitle careless, which can get him into trouble later.