Moves silently and stealthily. Eats the eggs of birds, such as Pidgey and Spearow, whole.
– Pokemon Red/Blue’s Pokedex
Jessie from Team Rocket has an Ekans in the anime. In fact, it was her first Pokemon. So I named the Ekans that I have on my Pokewalker “Jessie”.
Ekans is the first pure Poison Pokemon in the National Dex.