Suggestions?

Mrs. O'Leary

Whitey Ford.

Cerberus of Fluffy

This is a No Kinkshaming zone.

Butch.

Bagheera!

Pantera

Puma because he looks like a puma and he would make me puma pants out of fear.

Lucifer, Cerberus, Angel, Midnight, Star
To name a few

Snowball

Is that a puma!?

Steve

Night shadow

Darkness .. Charlie Murphy

A phantom downvoter has struck this post. Hopefully I fixed it.

Kushmar, Russian for 'nightmare', plus you can call him Kushy when you cuddle

If it's female Takhisis or Tiamat

Venta (black)

Void, Empty, Phantom, Reaper, Soul, Soulless to name a few ideas.

Has he/she had it's ears clipped or is it just the angle of the shot?

Khaine. 'Cos, "Blood for the blood dog!"

He looks like he should feel like velvet.

Panther Hades Cerberus

Batman

marcellus

Nero

LORD OF ALL, ALL HAIL SPOT THE DOG!!
all of that is the name

Morpheus

Bagheera

Morgan Motherfucking Freeman

Kuro

Oof

Luffy

Panthro

Onyx - who is blacker than black

Tell us what you decided to name him? And please that you decided to keep him?

Satan

I would call the beautiful dog JAGUAR or jag for short as doggy looks like a jaguar smooth and silky xxx

Beautiful!!!

He is beautiful. I have NEVER seen anything like him! He must be part panther.

Call him VADER...

Lord fluff