Arnold Schwarzenegger. In 1968, they came to American together. Joe Weider, my first boss in L.A., paid for their shared apartment while they were struggling.
Their closeness elicited the usual gay rumors, which neither seemed to mind.
When Arnold became a star, he continued to help out his pal, giving him screen time in Conan the Barbarian (1982), The Terminator (1984), and Running Man (1987).
Like most movies in the man-mountain genre, there was usually a girl, but the buddy-bonding took precedence. Beretta's Island (1994) was about a retired Interpol agent trying to find out who murdered his friend.