The answer depends on what boxing organization you are talking about.
Here is a list of the current (2009) heavyweight champions for the four major sanctioning bodies.
World Boxing Association - Nikolay Valuev
World Boxing Council - Vitali Klitschko
International Boxing Federation - Wladimir Klitschko
World Boxing Organization - Wladimir Klitschko
For updates, see related links below.
Jack Johnson
World heavy weight boxing champ.
your mom vs jesus our savior
HIS NAME WAS FIREMAN JIM FLYNN FROM ENGLAND.THE FIRST HEAVY WEIGHT CHAMP.
The only one i can think of is Jack Doyle.
Joe Louis
Heavy Weight Champ was created in 2006.
James.J.Jeffries.
it is between light-heavy weight and heavy weight (between 176-200lbs)
5
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CM Punk