Simplify the following text for a Grade 11 native English-speaking person.
Original: Meowth has made an appearance in almost every episode in the anime because one is the constant companion of Team Rocket agents Jessie and James , the show 's main bungling antagonists .
Simplified: Meowth has made an appearance in almost every episode in the anime because one is owned by Team Rocket agents Jessie and James , the show 's main antagonists .