Who was condemned to push a rock uphill forever in the Underworld, only to have it roll back down?

Sisyphus

Who is the main villain in Disney’s "101 Dalmatians"? Which mammal marks territory with odors released from anal scent glands? In the card game solitaire, what is the goal? Who was the lead singer for the Red Hot Chili Peppers? Which hormone promotes seed germination in plants?