Leon (レオンLeon) is a Dream Thief who uses his Beheeyem to brainwash Pokémon Trainers into imagining a vivid resort in their dreams, whilst he makes away with their coveted Pokémon. Some of his victims were Ash and his friends. After Officer Jenny's help his job became difficult. When finally Team Rocket's Meowth stayed awake and used his Fury Swipes, (making Leon practically naked) Officer Jenny arrested him. Meowth stopped Leon in his tracks. He is currently in prison until further notice.
Beheeyem is Leon's only known Pokémon, which he uses in order to effect his scams. Its Psychic powers proved useful when it brainwashed large numbers of Pokémon trainers using Energy Ball, and steals their Pokémon in this state of mind. Whilst asleep, the Trainers imagine they are in a luxury resort. Beheeyem also stole all of Ash and co.'s Pokémon, replacing them with replica dummies. Beheeyem's Moves: Energy Ball