Rattata

Rattata is a Normal-type Pokémon from Kanto region. It can evolve into Raticate when fed with 25 candies.

Pokédex description
Mouse Pokémon

''Rattata is cautious in the extreme. Even while it is asleep, it constantly listens by moving its ears around. It is not picky about where it lives—it will make its nest anywhere.''

Evolution family
Rattata is the part of a three-member family.

Trivia

 * Rattata, along with Pidgey and Weedle, is the most common Kanto-region Pokémon to be found in wild.
 * Rattata is one of the Pokémon that Ditto can appear as in wild.
 * There is a medal for capturing Rattata weighing 1 kg or less. Its name is Youngster.