Cheren

Cheren is one of two friends/rivals the main character has in Pokemon Black and White. All three of them reside in Nuvena Town. He is the rival that picks the pokemon that has a type advantge aganst yours.

Cheren is also a very intelligent boy, who loves pokemon like you. His starter will always have an advantage over you and he will very often challenge you to battles. His pokemon are:

Pansage, Pansear, or Panpour (depending on your starter)- grass, fire, and water, respectively.

Purrloin-dark

Oshawott (If picked Tepig)-water

Snivy ( If picked Oshawott)-grass

Tepig (If picked Snivy)-fire

Pidove-normal/flying

He battles you seven times in the main game and an eighth time after the beating the main game in which he obtains the following:

Haxorus-dragon

Gigalith-rock

Post game he can only be be found in Victory Road and it is believed he can be fought more than once.

Cheren appears at the beggining of the game as one of the player's friends. He is one of the characters who recieves a starter as a present from Professor Juniper. He will always pick the starter with a type advantage to yours. He later re-apears many times throughout the game to battle you, sometimes giving you items when you defeat him. His goal, like many other previous rivals, is to become the pokemon champion. You challenge Cheren right beofre entering Victory Road, and is then seen with Adeku before you face N, and Ghetsis.