Water Gym Leader
There is no Trainer Hill in Pokemon Ruby. Trainer Hill is only in Pokemon Emerald.
On your Trainer Card.
kill pokermans
Pokemon's ID is your Trainer Card ID!
I believe a Pokemon Trainer can catch a Rhyhorn in the Safari.
There is no Trainer Tower in Pokemon Pearl. It is only present in Pokemon Leafgreen and Firered and Pokemon Emerald. There is however, a Battle Tower in Pokemon Pearl which is basically the same as the battle towers in Pokemon Ruby, Sapphire, and Emerald.
you win
unfortunately there is no trainer with a chikorita for you to see. You have to trade it from an emerald cartridge.
You can find trainer Conor near Route 132
it is by the trainer with the suskits.[the wierd guy]
The Frontier Brains and the Champions.
To play in trainer hill you have to defeat the elite four and then when you go there it will be unlocked.