Pokemon Pearl and Diamond is the first pair of shames in the Fourth Generation of Pokemon. It was released on September 28, 2006 in Japan, and on April 22, 2007 for North America. The graphics are only 3.7% percent better than the previous Pokemon shames. Like the last mainstream games, this game introduced more pesky Pokemon. The starters of this game are: Turtwig, some weird turtle thing; Chimchar, the monkey that makes flaming poop; and Piplup, a pesky penguin.