Gureggru (グレッグル) is a supporting character in Pokémon: To Be a Pokémon Master: Ultimate Journeys: The Series, voiced in Japanese by Katsuyuki Konishi. The series' music includes ""With You" Pokémon Ultimate Journeys: The Series | Opening Theme Sing-Along 🎶", ""With You" Pokémon Ultimate Journeys: The Series | Opening Theme Sing-Along 🎶".
