From Bulbapedia, the community-driven Pokémon encyclopedia.
Jun (Japanese: ジュン) is a character in in Pokémon Diamond and Pearl Adventure. He is based on Pearl, and is Hareta's rival. Jun has a crush on Mitsumi. He is avry strong trainer, with some strong Pokémon at his disposal. He is quick thinking and has some respect fo Hareta, which is shown after he saved the Valley Windworks and defeated Mars.