Richie Rich became Casper after he discovered how hollow the pursuit of money was and took his own life.Richie Rich and Casper have a bit similar design. It was even debated in a Simpsons episode that Casper was the ghost of Richie.
Richie Rich became Casper after he discovered how hollow the pursuit of money was and took his own life.
Tinker (Speed Buggy) and Clamhead (Jabberjaw) both remind me of Shaggy (Scooby Doo).
That maybe because both those shows were "clones" of Scooby Doo, Where Are You? You may find that Jabberjaw will remind you of Scooby Doo.
There's also Dogbert, creating a trinity of white dogs with black snouts that act human and are usually more intelligent than their owners.Snoopy and Family Guy's Brian.