After a series of thefts in Vermilion City of electricity, he and Officer Jenny paid a visit to Cerise Laboratory and compared a drawing of a Pokémon provided by a witness to the Electric-type Pokémon found there, eventually finding a match with Ash's Pikachu and arrested him. After explaining the situation to Ash and Goh, he interrogated Pikachu down at the police station.
When another theft was reported, Inspector Decker let Pikachu go and later assisted Team Rocket being sent flying, who were the true thieves, wanting the electricity for Morpeko. Inspector Decker later gave Pikachu a certificate for helping to solve the case.
- In the Japanese version, Decker speaks in a Kansai dialect.
|From でか deka (slang term for detective)
|English, French, Italian, Spanish,
Polish, Brazilian Portuguese
|Same as his Japanese name
|This article is part of Project COD, a Bulbapedia project that aims to write comprehensive articles on each one-time character of the Pokémon anime.