2011-12-16 avatar tool wikipedia:アバター http://office.microsoft.com/ja-jp/images/results.aspx?ex=2&qu=avatar#mt:0 http://office.microsoft.com/ja-jp/images/results.aspx?qu=%e3%82%a2%e3%83%90%e3%82%bf%e3%83%bc&ex=1&ctt=1