Am I crazy or are there more than 2 appearances of Mr. Period and company? The first was about Viewtiful Joe, the second mentioned something about the Gayzor Mountains, but I for the life of me can't find the one where he gets fed up with the grammar...
Posts
http://www.penny-arcade.com/comic/2003/07/07
http://www.penny-arcade.com/comic/2004/11/03
http://www.penny-arcade.com/comic/2005/04/18
http://www.penny-arcade.com/comic/2005/09/02