George Foreman was 46 when he was still the IBF Heavyweight Champion, and he was 48 years old when he was still the WBU Champion of the World.
Archie Moore W15 Glulio Rinaldi-47 years old, Light Heavyweight (1961). Boxrec and other sources have him born on December 13, 1916, which would have made him 44, not 47.
Twice world heavyweight champion, and the oldest to ever win the title aged 45 (Holyfield recently won a "lesser" title at 47 though).
Undertaker
Twice world heavyweight champion, and the oldest to ever win the title aged 45 (Holyfield recently won a "lesser" title at 47 though).
The current F1 world champion is Sebastian Vettel from Germany. He is the youngest ever world champion.
At 45 years old, George Foreman.
I doubt it.
John Cena is a WWE World Heavyweight Champion. Cena has four brothers in his family. He is the second oldest son.
The oldest man in the world who ever lived died at 152 years 9 months
Triple h
Yulla Habub
that remains to be seen but in my opinion he probarbly will be
Bobby Fisher