Dratini

Dratini is a very-rare Dragon-type Pokémon from Kanto region. It evolves into Dragonair when fed with 25 candies and its final evolution form is Dragonite.

Pokédex description
Dragon Pokémon

''Dratini continually molts and sloughs off its old skin. It does so because the life energy within its body steadily builds to reach uncontrollable levels.''

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

Trivia

 * Dratini has been announced to be Pokémon available to catch with exclusive move, during the second Community Day that will take place on January, 2018.