Some speculate that the disease that plagued his right eye his entire life caused Bode to wreak havoc on 5th grade classes everywhere by naming our 7th planet Uranus.
When Clyde Tombaugh discovered the mysterious Planet X, now known as Pluto, he was the first American to have discovered a planet. Over time, Clyde began to diminish in stature, though not at all in mind, but it was because of this exponential loss in height that scientists thought it would be a funny prank to start calling Pluto a Dwarf Planet. Clyde, always a man of good humor, thought this was a funny joke indeed.
Most scientists will agree, Tycho Brahe (pronounced BRA) is the original OG. That makes him the original Original Gangsta.
This could be because of his badass laws of planetary motion, or because he kept a dwarf named Jepp who he believed to be clairvoyant and who sat under the table at dinner time. Maybe it was because he kept a moose as a pet who subsequently died due to drinking too much beer and falling down the stairs in his castle. But I think most would agree, Tycho Brahe is the OOG because he had a gold and silver alloy nose after losing his birth nose in a duel.
Some would say Carl Sagan was a man among Men. Even better, a human among Humans. Or even more apt than that; he was an Earthling among Earthlings. One would be hard-pressed to find a more sincere and loving advocate of our precious planet and all of its inhabitants.