- This article refers to the character of Lucas from the Pokémon series. For other instances of the name Lucas, see Lucas (disambiguation).
Lucas (Japanese:コウキ Kouki / In Game: Diamond) is a Pokémon Trainer who wishes to become a Pokémon Master and he is the male character. If not chosen, he is a resident of Sandgem Town, he lives with his father, grandfather and little sister. He is the male counterpart of Dawn.