Dustbin
I am as certain of the non-existence of a god as I am of the non-existence of mermaids, werewolves, goblins, yowies, easter bunnies, pixies, bunyips, jack frost, unicorns, yetis, tooth fairies, minotaur, leprechauns, father xmas, nessie, gorgons, poltergeists, dragons, aliens, and ghosts.