FusionDex

Particularly mischievous Koffing and Ekans are often drawn to each other to cause double the trouble. Many villainous teams have used them to cause hijinks, often accompanied by crafty Meowth as well.

Getting up close to a Ekfing will give you a chance to observe, through its thin skin, the toxic gases swirling inside. An Ekfing curls itself up in a spiral while it rests.