Gryphons have a reputation for loyalty. Some live up to it, some don't. And there are some who value loyalty and honor so much that they would rather die than break their word.
Ever wonder why Granny Smith gives Filthy Rich those 100 jars of zap apple jam? Or who her husband is? Or why zebras are treated differently in Ponyville? All the answers are in Granny Smith's private scrapbook.