The art of the nickname has vanished in the past decade.  Team nicknames almost never catch on and players nicknames just often include a players initials or their name abbreviated (See: KG, T-Mac, D-Wade, A-Rod, LT, T.O., and the list goes on and on).

What's in a great nickname?  

Originality and relevance. 

I don't know if sports writers and just people in general were more creative back then, but pasts eras definitely can boast the most memorable nicknames of all-time.

Here are the top 50 coolest team names in sports history:

http://bleacherreport.com/articles/527686-coolest-team-nicknames-in-history/page/2