It's a cliche thing to say... But they really don't make them like Jake anymore. Happy belated birthday champ! Almost a century old and still going strong.
Comedian Doug Stanhope who lives near him in Bisbee Arizona goofs on him in his recent stand up special. https://www.youtube.com/watch?v=hSnTQJugaEw
George Chuvalo is the same way. He's 78 years old but speaks clearly and shows no sign of taking too many punches. Ernie Terell said he never saw a guy take the amount of punishment Chuvalo's style requires retire from the game with no mental or physical ailments.