According to his son , he was so good at it that the famous trio Kukryniksy asked him to join them as the fourth artist .
Boris Livanov was also known for drawing caricatures on everything that surrounded him .
According to Boris Livanov 's son , Boris Livanov was so good at it that the famous trio Kukryniksy asked him to join them as the fourth artist .
Boris Livanov was also known for drawing caricatures on everything that surrounded him .