Seriously, I got through the whole game with these guys.
Typhlosion/Rage/Lv 92/Lava Plume, Eruption, Flame Wheel, Flamethrower
Pidgeot/Ace/Lv 93/ Wing Attack, Mirror Move, Air Slash, Fly
Lugia/Storm/Lv 92/ Waterfall, Flash, Hydro Pump, Areoblast
Vaporeon/Luna/Lv 94/ Hydro Pump, Muddy Water, Blizzard, Surf
Ho-Oh/Sai/Lv 92/Scarced Fire, Punishment, Thunder, Safeguard(I'm setting up Sai.)
Nidoqueen/Rin/Lv 92/Superpower, Whirlpool, Earth Power, Rock Climb
I've also collected others.