In Julius Caesar, what is there about Caesar that attracts such a strong following?

Question

First of all, be sure to carefully read the character analyses at this site:
http://www.sparknotes.com/shakespeare/juliuscaesar/

Also, from history, we know that Caesar was an immensely successful leader of armies. The Roman people loved him when he came back, having conquered Gaul (now known as France) and Britain, among other places.
http://www.vroma.org/~bmcmanus/caesar.html
Read especially from 58 BCE onward.

=)