Worker (Trainer class)/Manga/History/DP

In Putting a Crimp in Kricketot, a Worker in Oreburgh City is seen loudly scolding his Psyduck, nicknamed "Yeller" (Japanese: きいろ Yellow), for playing with the controls of a bulldozer. Psyduck had caused the machine to roll down the hill, putting, , and in danger. The Worker apologizes to them, and Platinum asks him for a tour of the Oreburgh Mine as repayment, hoping to dig for coals. Diamond and Pearl initially let her go by herself with the Worker. However, they go after her as soon as Chatler tells the location of the mine to the boys by repeating the Worker's voice. After Platinum's Piplup defeats a swarm of, the Worker mentions that Roark envisioned the mine as a place to dig for coal, and for training Pokémon as well. Piplup's pride is hurt because she has not participated in the past few battles together with Diamond and Pearl's Pokémon, so the Worker suggests Platinum to go challenge the Oreburgh Gym to help Piplup regain her confidence.

In A Conk on Cranidos's Cranium, Roark is seen talking to some friendly Workers at the Oreburgh Mine. Roark tells them about some of the Fossils he dug out from The Underground. The Workers introduce Roark to Platinum and tell him that Platinum intends to challenge the Oreburgh Gym.

In Brash Bronzong I, the Worker who owns a Psyduck is seen again. He and Roark talk about Byron investigating Team Galactic in Canalave City.