Eddie Lawrence aka The Old Philosopher aka Lawrence Eisler

Wikipedia says "monologist, actor, singer, lyricist, playwright, director and television personality" . . . He perfected a gimmick that would serve him for decades -- the comic persona of The Old Philosopher. His nutty soliloquy was a hit in 1956, and it still cracks me up. "NEVER GIVE UP! NEVER GIVE UP! NEVER GIVE UP!" -- via the New York Times.