cowboys
The English club Manchester united has the largest fan base in the world, Real Madrid comes second.
Washington Redskins seems to have a large female fan base.
bulls
The Cowboys
metal
According to various sources I've researched. Hip Hop has the Largest Fan Base within the United States.
Usually on the back or the base of the fan. If it is a box fan it will be on the top.
DBSK
Chicago Fire
chivas
Liverpool