You decide power levels in DBZ

If you had a chance to place tiers power wise in DBZ who would you make greatest to least greatest? This isn't a who you like question either. Base this off of the persons character...their mindset and abilities.

Go!!!

A separation of this would be great like DBZ and DBZ Super/BOG.

Skyfather:
Piccolo

Trans:
Goku merged with the Dragonballs

High Herald:
SSJ4 Gogeta
Omega Shenlong

Mid Herald
SSJ4 Goku
SSJ4 Vegeta
Whis
Bills
Golden Frieza

Low Herald
SSJG Goku
SSJ3 Goku
SSJ2 Goku
SSJ Goku

SSJGSSJ Vegetto (assuming Goku and Vegeta never split up due to plot)
SSJGSSJ Mystic Gohan (assuming Gohan continuously trained)
SSJGSSJ Goku
Golden Frieza (with years of training)
SSJGSSJ Vegeta
Gods stronger than Whis
Whis
Beerus