Russell Simmons named Keith Olbermann CEO of GlobalGrind this morning:

It gives me great pleasure that Keith will be joining our team and I know that he will make our company better.  I think he has has even agreed to go vegan and do yoga with me on a daily basis.  Keith is a genius and he will make GlobalGrind bigger than it has ever been.!/KeithOlbermann/status/186443298582433792

A few of Russell Simmons’ followers didn’t catch the significance of announcing the news on April Fools’ Day:!/brianti/status/186442806812884992!/maurykaplan/status/186445812757307393!/mochmouse/status/186439743888826368

Others caught on to the gag immediately:!/OlympedeGouges/status/186445091471233025!/agronomist83/status/186439375624744960

More April Fools’ Day coverage from Twitchy:

Twitter’s unfunniest April Fools’ pranks

Google’s April Fool’s Day prank

More April Fools’ Day jokes and pranks on Twitter