He first appeared at The Legend of Thunder. He defeat Shinji and his powerful Hitmonlee. After a hard battle, He and Jimmy emerged victorious and then complimented Shinji and Hitmonlee. Typhlosion was used in the battle of Jimmy against Marina. Jimmy chose him to battle against Marina's Croconaw where he shrugged off a Water Gun despite the type disadvantage. The battle was then interrupted because of the actions from Team Rocket against Raikou. Typhlosion's defining traits is his immense willpower, and he doesn't like to give up, even in the face of danger. As a friend, Typhlosion likes to battle for fun, and is aware of Jimmy's feelings for Marina. Nevertheless, it is extremely loyal to Jimmy, to the point of confronting the power of a legendary Pokémon even though seriously wounded after a battle.