You're right. Definitely no such thing as a snapback dragon (I did a google search and found nothing).

Snapdragons usually make a flower in the shape of a dragon mouth. You can pinch the sides to make the jaws open up. Little bees love crawling inside.

Source

These ones you bought look like they are more wide open for some reason. Maybe the blooms are starting to wilt. The leaves look like a snapdragon, alright.