Kognise is a 187-year-old that pretends to be a 16-year-old. She sometimes behaves like she is 4, or 40. Known for her love of design and CSS, she also claims to like music. She is often referred to as Nognise, Kog, Kogs, and Nog. She is one of the few people who have seen Piero prepare pizza dough.
Here is proof of her admitting her real age:
She runs the popular filehost Doggo.Ninja
Also, if she is just Dognise is still a mystery.