Meanwhile, he has taken extreme. On Twitter, he posted a new photo that impressed.
Ronaldo back in shape - if he keeps going he may look like his namesake soon Cristiano Ronaldo (28) Real Madrid.
In October 2012, he took (German: "The right amount") on the Brazilian reality show "Medida Certa" part. The goal: 18 pounds in 12 weeks.
More than ten million people watched each week. And Ronaldo made it.
By December, his waist reduced from 107 to 93 centimeters, the body fat percentage dropped from 25 to 18 percent.
And Ronaldo went on. Not happy, but he kept going. "So I find it hard myself, I like that is not a vegetable," he says.