Names for blue and gray dogs

Aqua
Ash - Ashes
Azure
Banchee
Blooregard
Blue
Bluebelle
Blueberry
Cadet
Cobalt
Cyan
Dusty
Gandalf
Glory
Ghost
Gris
Indigo
Liberty
Lunar
Midnight
Misty
Mouse
Mushroom
Pride
Rain - Reign
Sapphire
Sky - Skyee
Silver
Slate
Sledge
Smoke - Smokey - Smokie
Smurf
Spectre
Spirit
Steel
Stone - Stoney
Tear
Wolf - Wolfie