Reshiram

Info
Reshiram is a legendary Pokemon that you can encounter and catch in Pokemon Black version. In Pokemon White Version, you can battle him when you challenge N for a final battle.

Name Origin
The "shira" in Reshiram's name comes from the Japanese word for white, "Shiro." The "Re" sounds softer than the "Ze" in Zekrom, due to the fact that Reshiram is not as physically powerful as Zekrom.