Clomiphene is indicated for low sperm count in men, it increases production of FSH and LH, which in turn acts on the testicles. That would also explain the exogenous testosterone. Thanks, Guardian, for letting the world know about that person's medical issues.

It’s also used as an adjunct for anabolic steroids. That’s more likely the case than clomiphene alone resulting in superphysiological androgen levels.

The compound is used in doping protocols. That said, looking at his photos, the gentleman really doesn't look like a bodybuilder.