not only the compass but the clock can animate too.
ice and glass breaking are the same speed.
skeletons riding spiders are named "Spider jockey".
name/type/versions under than 8 of them are wool. and at 2010 it was launched minecraft beta 1.4 and newers than it.and glass slow down the player by triying to go to the surface
 "Mutilate-a-doll"){kind=icon}
 "Level Up!"){kind=icon}
 "Minecraft Quiz"){kind=icon}
 "Snailiad"){kind=icon}
 "Streamline"){kind=icon}