Pikachu

Pikachu is Ash's first Pokémon given to him by Professor Oak. He is also the main mascot of the Pokémon franchise. He made his debut in I Choose You and has been with Ash almost forever, he loves to travel with his trainer. He also loves ketchup. He is a target to Team Rocket, a group of teenaged Pokémon thieves who try to capture him, but Ash always saves him. He always stops Team Rocket's plots to capture Pokémon.