It’s the Great Atuin! The Star Turtle!!!
Correct, Mr. Stibbons. Now hurry along to the High Energy Magic building, they need you.
ABSOLUTE FAVORITE LINE IN DISCWORLD: "He reflected that Ventinari's motives were completely transparent, but while that might mean they were entirely visible, it also might mean that you couldn't see them at all."
SECOND RUNNER UP FAVORITE LINE IN DISCWORLD: "Granny knew that 'Curiosity killed the cat'. She also knew that in a city like Anhk-Mapork, it killed it, got it's legs tied together, shoved in a sack, and dumped in the river."