Whitney uses Clefairy and Miltank in Pokémon Gold/Silver/Crystal/HeartGold/SoulSilver and in the anime she has a Nidorina, a Clefairy and a Miltank.
Goldenrod city gym
Whitney at Goldenrod city.
You need to get the radio card.
defeat Whitney the third gym leader
After you beat Whitney, the Gym Leader in Goldenrod city, you go out of the Gym and into the house to the right of the Gym. There is a woman in there watering her plants and after beating Whitney she will give you the squirtbottle.
Whitney is in the radio tower. She is trying to get the radio card. You have to beat the quiz and she will return to her gym
Defeat the Goldenrod GYM leader Whitney and then go to the little house next to the GYM and talk to the lady and she will give you a squirtle bottle and you use that on Sudowoodo
Goldenrod city, you battle Whitney and her evil mootank.
the name rater is in goldenrod city to the left of the third gym (Whitney)
You answer 5 questions in the radio tower in goldenrod city,she'll talk to you and go back into her gym.
you receive the HM from a hiker who comes out of Mt. Mortar on route 42 and you can use it when you defeat Whitney in the goldenrods city gym
In Pokemon Red/Blue/Yellow and Pokemon FireRed/LeafGreen, the Celadon City Gym Badge is required to use Strength. Gym Leader Erika holds this badge.In Pokemon Gold/Silver/Crystal and Pokemon HeartGold/SoulSilver, the Goldenrod City Gym Badge is required to use Strength. Gym Leader Whitney holds this badge.In Pokemon Ruby/Sapphire/Emerald, the Lavaridge Town Gym Badge is required to use Strength. Gym Leader Flannery holds this badge.In Pokemon Diamond/Pearl/Platinum, the Canalave City Gym Badge is required to use Strength. Gym Leader Byron holds this badge.In Pokemon Black/White and Pokemon Black 2/White 2, Gym Badges are not required to use HMs.