The most famous serial killer is arguably Jack the Ripper, in part because the mystery of his identity has remained unsolved for over two centuries.
But the most famous killer of all would have to be the first murderer, the biblical Cain who slew his brother Abel and introduced sorrow into the world.
The most famous serial killer to me is Mary Bell, because she started in her crimes at 10 years of age.
keiko(willy) was the worlds most famous killer whale
Bozo The World's Most Famous Clown - 1958 Killer Diller Miller 2-80 was released on: USA: 1959
he is a famous killer
jesus
The thing that "Cortez the Killer" is famous for, is actually the fact that it is a very famous song. People around the world share and enjoy it, and it is not actually a person, but a well-enjoyed piece of music.
Jack the Ripper
Jack the Ripper.
Probably the Bottle-nose dolphin because that's the only one i know of
Alleged killer of JFK
There was Free Willy
The most infamous John Fraser was a serial killer who lived in Australia. Other less violent but still famous John Frasers were a Scottish botanist and a Scottish football player.