FLEX team recently did an article on top 10 for strongmen of all time.
Here is my alternative list for strongest bodybuilders in the past and present pro circuit. the 10 are NOT in order you decide.
1.Greg Kovacs
2.Johnnie O. Jackson
3.Ronnie Coleman
4.David Henry
5.Nassar El Sombaty
6.Franco Columbo
7.Dorian Yates
8.Kevin Levrone
9.Tom Platz
10.Bertil Fox