Igor Yourievitch Ostasenko-Bogdanoff and Grichka Yourievitch Ostasenko-Bogdanoff, (or Bogdanov) (born on 29 August 1949 in Saint-Lary, Gers, France) are French TV personalities and producers, scientific essayists and who since the 1970s have presented various subjects in science fiction, cosmology and popular science. They were involved in a number of controversies, most notably what is known as the Bogdanov affair.
...Since 2000, the Bogdanoff brothers have created a lot of curiosity by their sudden physical changes. Most notably, their faces have changed considerably gaining a more angular growth on their chins and cheekbones, giving them an extraterrestrial look. Speculations range from having undergone drastic plastic surgery or even the consumption of anti-aging hormones that resulted in acromegaly.