| Koga's Ekans|
|Debut:||Go For The Golbat|
|Current location:||With Koga|
Koga wore Ekans as part of his gear at Silph Co., where he fought against Blue and Red. Giovanni reminded Red of the battle at Silph Co., claiming Koga, who was equipped with Ekans, was a Poison-type Pokémon expert.
None of Ekans' moves are known.