Ash's Pikachu Enemies

He is a Member of Team Rocket he seems to have some bitter Rivalry with James, even though he is a higher class officer

Cassidy is a member of Team Rocket, she has a rivalry with Jessie that goes back to their first day on Team Rocket.

Cyrus is the leader of Team Galactic, he Dislikes Pokemon using them only for his own gain. He Wants to recreate the universe with himself as God.

An elite officer of Team Rocket who appeared in the fourth Pokemon film as the villain. He uses a set a new type of Poke Balls called the Dark Balls which brainwash a Pokemon to the point of forgetting itself and attacking without regard.

A deadly Pokemon Hunter who has crossed paths with Ash and his friends, quite a few times.

Member of Team Rocket who is partnered with Jessie, whose determined to steal Ash's Pokemon.

Member of Team Rocket, Jessie is always after Ash and his friends' Pokemon. With her comrades Meowth and James, she uses her Pokemon for bad intentions, and is always making clumsy mistakes to make her lose her goal or intention.

A Yanmega belonging to Jessie.

One of Team Galactic's four Commanders.

Pokemon that is a member of Team Rocket who is partnered with Jessie and James.

He is a Team Rocket scientist.

One of the four commanders of Team Galactic.

Ash's new rival he met in Sinnoh. Shinji is smart but treats his Pokemon like tools rather than friends.