I was just about to post that myself... While I thought Scooby Doo okay back when I was a kid, I actually liked A Pup Named Scooby Doo More. I can say even now I watch it regularly, as my nephew likes most incarnations of Scooby Doo...
Hard to believe it has been around since 1969... there is a youtube video that supposedly has all the openings...
If I'm doing my MCU filming and release math correctly, he apparently filmed Black Panther, Infinity War, and Endgame while simultaneously doing chemo treatments. The only MCU movie he filmed where he either wasn't doing chemo or didn't know he had cancer was Civil War.
Gotta give it to the man, he was a professional to the very end. He was a great actor - loved watching him play James Brown in Get On Up. And of course, as the Black Panther.
2 1/2 months late, but I just learned that legendary comics writer Denny O'Neil died in July at the age of 81. Man wrote some damn fine stories. His run on Green Lantern/Green Arrow was a favorite when I was a kid.