Starter Pokémon

Starter Pokémon refers to the Pokémon that a trainer has as their first partner. The methods to get a starter Pokémon vary on the trainer. Some get their Pokémon as gift, some befriend and later catch, or some have someone else assist them to catch one.

Regional Starter Pokémon
As a nurse states in, each region identifies three Pokémon as "Regional Starter Pokémon", which are traditionally given to the trainers before they start off a journey to improve their skills as a Pokémon Trainer. These Pokémon are traditionally consist of a Grass type, a Fire type and a Water type, representing the elemets of the nature.

Kanto
So far, only the starters of Kanto region has been introduced, which consist of Bulbasaur, Charmander and Squirtle.