Charmander (Pokémon)/Anime/Pokémon Origins

Red's Charmander
Charmander was one of the three Pokémon Professor Oak gave and  to choose from to start their journey, with Red choosing Charmander. It later evolved into a between File 1: Red and File 2: Cubone and then a  between File 2: Cubone and File 3: Giovanni.

Other
Another Charmander appeared in File 3: Giovanni at Silph Co.

Giovanni was shown to have once had a Charmander during a flashback in File 3: Giovanni.