Which TV series follows a group of survivors during a zombie apocalypse and is based on graphic novels?

The Walking Dead

Which Greek god was the blacksmith who crafted weapons and armor for the gods? Who sends the most letters to Santa each year? What popular German bread, shaped similarly to baby Jesus’s swaddling clothes, is enjoyed during Advent? Which journalist and abolitionist published 'The Liberator' newspaper? Which U.S. President famously said, "Mr. Gorbachev, tear down this wall"?