From Bulbapedia, the community-driven Pokémon encyclopedia.
Aarune (Japanese: ギリー Girī) is an expert on Secret Bases.
In the games
Aarune is a world traveler who owns a Flygon. He will teach the player about Secret Bases and will battle the player at some point in the game.
"Yup... I can smell it... I smell it all over this island! The scent of adventure! There's gotta be one around here. Yeah, a real super one... A real secret one... A real super-secret space... There's no mistakin' it!"
|| ギリー Girī
|| From 弟切草 otogirisō (Hypericum).
|| From Aaron's beard and possibly rún (Old Norse for secret)
|| From millepertuis, Hypericum
|| From Johanniskraut, Hypericum
|| From iperico, Hypericum
|| From hipérico, Hypericum
|| 성한 Seonghan
|| From 성요한풀 Seong Yohan Pul (St. John's wort)