No, actually. Weirdly enough, it was Ozzy Osbourne.
He suffered from a crazy amount of genetic defects that somehow offset the effects of insane alcohol and drug abuse for decades. The man could down liters of vodka and mountains of coke, in such ridiculously large amounts that they would have killed literally his whole entourage altogether. Genetically, he was about as close to indestructable as a man can get.
Ozzy Osbourne had a unique set of genetic variants that explain his remarkable resilience to decades of insane substance abuse, including a variant in the ADH4 gene that allowed him to metabolize alcohol more efficiently. His genome also contained various other mutations affecting the nervous system, such as variants in the OPRD, ARRB2, CLTCL1, and COMT genes, which influenced to his body’s ability to process drugs and deal with the aftermath.
Sure, Schwarzenegger had “perfect genetics”… for bodybuilding. Ozzy Osbourne had perfect genetics for drugs and alcohol; he had the world’s most durable liver and internal organs, bar none — any other man who’d have taken half his daily intake would have joined the “27 Club” half a century sooner.