The Old Bailey heard Marius Gustavson ran a “lucrative business” sharing videos of “unnecessary and life-changing surgeries” carried out by people with no medical qualifications.
The judge called it a “gruesome and grisly” and “extremely dangerous” enterprise – with some body parts being kept as trophies.
The 46-year-old Norwegian national, who’ll serve a minimum of 22 years, made almost £300,000 through his website eunuchmaker-dot-com.
Six other men, including 66 year old Peter Wates, a retired former member of the Royal Society of Chemists from Purley, were also sentenced.
