Ash Ketchum has used a variety of Pokemon in the anime, with teams made up of all different types, but he seems to favor some types over others.
15 Best Pokémon Episodes That Track Ash Ketchum's Journey
Ash Ketchum's Instagram, Twitter & Facebook on IDCrawl
Ash Ketchum's Instagram, Twitter & Facebook on IDCrawl
Ash's Pikachu - Bulbapedia, the community-driven Pokémon encyclopedia
Pokémon: Building Ash Ketchum's Most Competitively Viable Team
Ash Ketchum -Cosplay, costume ash pokemon
I'm a sensitive type of Pokémon': meet the voice behind Ash Ketchum, Pokémon Go
Ash Ketchum: ESFP – The Book Addict's Guide to MBTI
Ash Ketchum -Cosplay, costume ash pokemon
Why doesn't Ash have an electric-type Pokémon except for Pikachu? - Quora
Pokemon: Ash Ketchum's Most Used Types
Ash Ketchum's Pokémon career, as judged by a competitive expert
Pokémon: Ash Ketchum's Toughest Battles, Ranked