India, Oct. 22 -- Brazilian bodybuilder and influencer Ricardo Nolasco Dos Santos, better known to his followers as Kadu Santos, has died at 31. His death was confirmed by his father, Amauri, on October 20. Sharing the sad news on Instagram, he referred to it as the "saddest day of my life."

Santos, an 11-time bodybuilding champion, was followed by more than 13,000 people on Instagram, where he regularly posted his workout images and video, besides sharing motivational messages with his followers.

His demise left many of his followers, co-workers and well wishers in the sports community in shock. Several people have recalled him as a bright and diligent worker in the fitness world.

On July 19, Santos popped the question to his girlfrie...