eusine_(pokemon)
A supporting character in Pokémon Crystal, HeartGold, and SoulSilver Versions, as well as Pokémon Adventures. Eusine is a wandering trainer and researcher obsessed with the legendary beasts of the Johto region, particularly Suicune. He is a friend of Morty (pokemon).
Eusine also appeared in the Pokémon Anime, where he's also known as Eugene due to a dubbing error.
Japanese name: Minaki.