→In the manga
===In the Pokémon Adventures manga===
[[File:Underground Man Adventures.png|thumb|200px|The Underground Man in Pokémon Adventures]]
The Underground Man was first mentioned in ''[[PS342|A Conk on Cranidos's Cranium]]'', spending time with his [[Roark|grandson]] in [[the Underground]]. He makes his first appearance in ''[[PS411|Double Trouble with Dialga and Palkia I]]'', where he and [[Byron]] were digging underground with the [[Explorer Kit]] to avoid Team Galactic from tracking the Sinnoh Gym Leaders. In the [[PS412|next chapter]], he suffered the effects from the distortion of time and space caused by Dialga and Palkia battling. In ''[[PS416|Double Trouble with Dialga and Palkia VI]]'', the Underground Man along with Byron, [[Professor Rowan]], and [[Mr. Berlitz|Sir Berlitz]]
escape from the underground.