Who is behind the killing of Twitter fail whale?

Here is another link <a href="http://thenextweb.com/twitter/2011/08/18/evan-weaver-the-man-who-helped-save-twitter-from-its-fail-whale-has-resigned/" rel="nofollow">http://thenextweb.com/twitter/2011/08/18/evan-weaver-the-man...</a>