Atchoum may look like something out of the Jim Henson Workshop, but he’s no Muppet. He’s a cat with a condition called hypertrichosis, also known as “werewolf syndrome.” So far, he’s the only known cat in the world to have the condition.

Atchoum may look like something out of the Jim Henson Workshop, but he’s no Muppet. He’s a cat with a condition called hypertrichosis, also known as “werewolf syndrome.” So far, he’s the only known cat in the world to have the condition.