And I've heard Primo, dbol, and lots of GH!
Obviously different roomers have spread, but like the other bro said... no one truly knows, only the man himself!
I think Arnold is god's gift to gear and dedication! It shows man. Til this day, I've seen alot of monsters out there and in competition, but I have yet to see the flawless muscle striations, form, genetics, and response from any other bodybuilder than on Arnold ... hey, maybe I just don't get out much...lol