The name of the subject is greatest tv charcacters, not greatest tv actors. Very important to keep in mind when looking at this list. I only ranked characters in television shows I was familiar with, which eliminates most of 60's and 70's shows.
http://www.ranker.com/list/greatest-tv-characters-of-all-time/dave_7672,
Al Bundy
Andy Sipowicz
Archie Bunker
Columbo
Hawkeye Pierce
James T. Kirk
J.R. Ewing
Spock
Tony Soprano
Lucy Ricardo nee McGillicuddy