Thundering Blue Cloud Serpent

There is one tameable creature with this look.

Thundering Blue Cloud Serpent
Requires Cloud Serpent Taming.Cloud Serpent Taming
Pandaren hunters automatically know how to tame Cloud Serpents. Hunters of other races must learn the skill from the tome How to School Your Serpent, which may purchased from San Redscale at The Arboretum in The Jade Forest. You require Exalted standing with The Order of the Cloud Serpent to read this tome, but the learned skill is account-wide. You can even purchase and read this tome on a non-hunter character.
Can Be Tamed
<The Storm Lord>
BossThe Foot of Lei Shen, Isle of Thunder
Retains its original name after taming.
Nalak respawns approximately every 15-20 minutes.

Cannot Be Tamed
Guo-Lai Halls, Vale of Eternal Blossoms
Thunder Serpent Nalak'Ra appears in a special shaman-only phase of the Halls, as part of the elemental shaman artifact weapon quest chain in Legion. It isn't accessible to hunters.
* Level scaling: In Shadowlands most NPCs will scale with the Hunter's level, within the constraints of their level range. Hunters can tame regular NPCs up to 2 levels higher than them, but can only tame elite NPCs of the hunter's level or below.

Matching Mounts

Matching Companion Pets