Retains its original name after taming. Spawns during the Horde quest The Source of the Problem. After taming, dismiss your pet and the cobra should respawn so you can complete the quest.
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.