11:13-21. On the back of the scroll, a name of G-d is written. The scroll is then rolled up and placed in the case, so that the first letter of the Name (the letter Shin) is visible (or, more commonly, the letter Shin is written on the outside of the case). The scroll must be handwritten in a special style of writing and must be placed in the case to fulfill the mitzvah.
Leopards roar, but it is a very different sound to the deep roar of a lion or the snarly roar of a tiger. It sounds very like a hacksaw cutting through wood-it's sometimes described as a 'hacksaw cough'. In addition, leopards also make various other sounds, for example, growls.
The ghast's sounds are C418's cat. It's apparently pretty much the sound it makes when disturbed while sleeping, or a modification on the cat's sounds. The ghast is the biggest natural mob by volume, same with the Ender Dragon. There is a currently unused sound for ghast called affectionate_scream.ogg. A ghast can destroy a portal by extinguishing it, potentially leaving no exit from the Nether.