Naive/Naughty Nature w/ 220 Attack, 220 Sp Attack, 70 on speed
Keen Eye/Tangled Feet equiped with Sharp Beak or Life Orb.
Rain Dancers if Hurricane is to be used espically when either equiped with Damp Rock.
Teeter Dance users if Tangled Feet is used.
Rock-types espically, along with Electric and Ice-types, that espically know moves like Electroweb, Thunder, Thunderbolt, Ice Beam, Frost Breath, Ancientpower, Power Gem or etc. Some examples include Probopass, Frost Rotom, Tyranitar, Magnezone, and Kabutops.
Trick Room users to counter Pidgeot's higher-than-average speed.