Eevee has an irregular genetic code and can sometimes evolve in accordance to its environment. Seven evolutions for this Pokémon have been discovered so far. Three of these evolutions are the result of Eevee being exposed to either a Fire Stone, Thunderstone or Water Stone. Two more of the evolutions involve maximum affection with the Trainer and accordance to the time of day. The final two evolutions are the result of training in two specific areas, Eterna Forest and Route 217.
: Eevee is a mammalian creature with brown fur, a bushy tail that has a cream-colored tip, and a furry collar that is also cream-colored. Eevee has brown eyes, big ears, and pink paw pads. It has traits of raccoons, foxes, dogs, and cats.
: Most of Eevee's offensive moves are Normal-type attacks such as Tackle and Quick Attack, but it can also bite its opponents and use Shadow Ball. However, it's unique in that it is unable to learn most other elemental attacks that other normal-types can utilize, at least not in its current state.
: Eevee's behavior can be affected by its surroundings. Eventually, with enough alteration, the Eevee may evolve to better suit its surroundings. According to Pokémon Mystery Dungeon, Eevee has a naive personality, meaning childlike, playful, and friendly. In the anime, Eevee don't appear to have any characteristic quirks but are usually affectionate, loyal and fairly energetic Pokémon.
: Eevee are quite rare in the wild. They sometimes live near cities and towns. It is possible for Eevee to live almost anywhere, and they may evolve to suit their surroundings. It was first documented in Kanto, but have been seen in Johto and Sinnoh.
: Berries, and Pokemon food.