S. pyogenes (GAS) is the causative agent in a wide range of group A streptococcal infections. These infections may be noninvasive or invasive. The noninvasive infections tend to be more common and less severe. The most common of these infections include streptococcal pharyngitis (strep throat) and impetigo.
Arizona Horned Toad. The horned toad is not a toad. It's really a lizard that is known by many names such as horn toads, horned lizards and horny toads. They look rather frightening and evil with pointy thorn-like projections all over their body. But these creatures are docile and completely harmless.
Horned Serpent Gryffindors: Serpendors are people with an area (or areas) of expertise and they know it. They are self-assured in what they are good at (and know what they are bad at) and this surety results in unmatched confidence and competence in that area.