Due to the many comments I received I added five more fighters that were mentioned and I felt were deserving.
Certain fighters are known and referred to more frequently by their nicknames than by their actual names.
Some fighters have been so thoroughly embraced by their nicknames that they are known almost exclusively as such.
For example, ballplayers George Ruth and Lawrence Berra are historically known better as Babe Ruth and Yogi Berra, respectively. Here are five fighters best known among fans by their nicknames.