This sound is from Charmander Soundboard

Charmander is one of three'starter' Pokémon that can be selected at the beginning of Pokémon Red and Blue. Charmander is a Pokémon species in Nintendo's and Game Freak's Pokémon franchise. Charizard can mega evolve into 2 different types of Mega Charizard, which are Mega Charizards.
See also: Bulbasaur, Charizard, Pokémon the Movie: I Choose You!, Squirtle, Aminé discography, and List of Pokémon books.