Henrik is one of the main character in the Pokémon FireRed & Leaf Green short stories series. He was also a major recurring character in the sequel series, Pokémon HeartGold & SoulSilver and made a cameo in Pokémon Black 2 & White 2. He used to travel Kanto and catching pokémon to fill out the blank PokéDexes for Oak. He's currently working with Celio on the Sevii Islands.