Mr Khan on 15 December 2009
anti-copycat protection, probably. Too late for them to stop the Vii, but they can still stop Zii.
EDIT:
Looks like i'm right. They trademarked Cii, Bii, Yii, and Oii too.
http://gonintendo.com/viewstory.php?id=107923

Monster Hunter: pissing me off since 2010.







