Eevee is a popular Pokémon known for its unique ability to evolve into multiple different forms, called "Eeveelutions." It is a Normal-type Pokémon introduced in the first generation of the Pokémon series. Eevee has a fluffy, brown coat and large ears, making it easily recognizable. Eevee can evolve into eight different types, including Vaporeon (Water), Jolteon (Electric), and Flareon (Fire). Each evolution is triggered by specific conditions, such as using special items or leveling up in certain environments. This versatility makes Eevee a favorite among trainers and fans alike.