Pearl is a new character from Sinnoh and one of the three leading characters in the Diamond and Pearl arc of Pokémon Adventures. Pearl has a hasty personality and a habit of butting into coversations along with exploding with rage if a person does not give him eye contact when he speaks to them. He and Diamond are friends, though Pearl is known for frequently getting them into trouble. Wikipedia
The definitive Wikipedia entry for Pearl. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Pearl_%28Pok%c3%a9mon%29