Lucario

Introduction
Lucario was first seen in Season 1 as a member of Team Fighting and was their main fighter. At the end of the first season it was found out that he had a special connection with Mewtwo and that he shares part of his mind. Because of their connection Lucario could see part of Mewtwo's plans to create the Hydra and the quest to find Mewtwo had begun. Lucario later became one of the Six Masters and master of Team Leaf Blade.