Hippotami are vicious killers. They attack people on rafts every chance they get. And then there's all that explaining to do the next morning. This custom was probably a bit of a detriment when it came to dealing with gun-happy Europeans. There is another tribe in Africa that looks like the Lollipop Gang from The Wizard of Oz in blackface.
Chetah can take an amazing amount of punishment.
Check out the scene where Chetah is attacked by a killer gorilla. Yet one scene later, Chetah walks out of the debris, only limping a little. Johnny Weissmuller's Tarzan is more than just a guy who can yell and swing from trees. He's smart, sensitive, caring, and he loves animals. Plus, he can swim real good.