Details: One of the thirteen Special Trainers you will encounter at The Battle Tree after completing certain streaks with the multiple of ten in single player modes or team up with in multi-Battle mode is Blue, the former Champion of the Kanto Region. His team is very similar to that of his Pokemon HeartGold & SoulSilver Team; there are nine possible Pokemon he can have on his teams.
Possible Pokemon:
Pidgeot (Charti Berry): Aerial Ace, Steel Wing, Thief, Roost
Pidgeot (Flyinium Z): Mirror Move, Twister, Sand Attack, Double Team
Pidgeot (Pidgeotite): Hurricane, Hyper Beam, Tailwind, Quick Attack
Pidgeot (Pidgeotite): Hurricane, Feather Dance, Roost, Hyper Beam
Arcanine (Firium Z): Flamethrower, Solar Beam, Burn Up, Sunny Day
Arcanine (Weakness Policy): Extreme Speed, Crunch, Overheat, Roar
Arcanine (White Herb): Overheat, Sunny Day, Solar Beam, Extreme Speed
Arcanine (Fightinium Z): Close Combat, Flare Blitz, Crunch, Extreme Speed
Alakazam (TwistedSpoon): Energy Ball, Psychic, Telekinesis, Guard Split
Alakazam (Focus Smash): Psych Up, Encore, Protect, Psychic
Alakazam (Alakazite): Psychic, Focus Blast, Shadow Ball, Grass Knot
Alakazam (Choice Specs): Psychic, Focus Blast, Dazzling Gleam, Trick
Machamp (Rawst Berry): Dynamic Punch, Payback, Foresight, Wide Guard
Machamp (Expert Belt): Ice Punch, Cross Chop, Fire Punch, Focus Energy
Machamp (Choice Scarf): Dynamic Punch, Ice Punch, Rock Slide, Earthquake
Machamp (Flame Orb): Protect, Earthquake, Close Combat, Payback
Exeggutor (Petaya Berry): Psyshock, Grass Knot, Light Screen, Synthesis
Exeggutor (Grassium Z): Leaf Storm, Psychic, Sludge Bomb, Grassy Terrain
Gyarados (Muscle Band): Ice Fang, Aqua Tail, Thunder Wave, Dragon Dance
Gyarados (Normalium Z): Waterfall, Rest, Bulldoze, Giga Impact
Gyarados (Wacan Berry): Dragon Dance, Waterfall, Ice Fang, Earthquake
Gyarados (Gyaradosite): Dragon Dance, Waterfall, Stone Edge, Crunch
Aerodactyl (Choice Scarf): Rock Slide
Aerodactyl (Passho Berry): Crunch, Rock Slide, Roost, Sky Drop
Aerodactyl (Aerodactylite): Sky Drop, Iron Head, Fire Fang, Thunder Fang
Aerodactyl (Chioce Band): Stone Edge, Aerial Ace, Earthquake, Crunch
Tyranitar (Iron Ball): Rock Slide, Stealth Rock, Thunder Wave, Fling
Tyranitar (King's Rock): Rock Slide, Crunch, Ice Beam, Dragon Dance
Tyranitar (Chople Berry): Rock Slide, Crunch, Earthquake, Dragon Dance
Tyranitar (Tyranitarite): Stone Edge, Earthquake, Ice Fang, Payback
Rhyperior (Zoom Lens): Payback, Rock Blast, Stone Edge, Protect
Rhyperior (Hard Stone): Rock Wrecker, Rock Polish
Rhyperior (Focus Smash): Horn Drill, Reversal, Payback, Metal Burst
Rhyperior (Rockium Z): Rock Slide, Hammer Arm, Earthquake, Protect