Post First/Cementing Feuds

Always fascinated by who companies have their big new face feud with after crowning them champion for the first or most significant time. 

Sometimes it's just a feud continuing or working against and old foe.

The standard bearer for me kind of is Austin after Mania 14. Foley had a lot of love, a fascinating character, authenticity and it felt fresh. Add the Vince element and it seemed a proper challenge for a new top guy. Michaels feuding with a
heel Diesel post Mania 12 is another highlight.

Any highs or lows for you?

Two words for the low:  Black Scorpion.  Maybe The Authority for Daniel Bryan as well.