Recall Alexei Bondarenko from Sydney and Athens?
He retired after not qualifying for the Russian team to Beijing.
Now a sponsor is paying for his comeback. He moved to Round Lake (where he lives with his cat Briton) and is planning how to challenge the likes of Uchimura, 10yrs-younger.
Two-time Olympic medalist Alexei Bondarenko: I’m back!
Sovietski Sport Interview (Google Translate)

