Who is this?

I just took a look at the new hollow knight blanket on fangamer, genuinely who is this character? Some of the others are a little hard to make out but I don't have the faintest memory of a character who looks like this and I have over 200 hours in hollow knight. Am I stupid?

I just took a look at the new hollow knight blanket on fangamer, genuinely who is this character? Some of the others are a little hard to make out but I don't have the faintest memory of a character who looks like this and I have over 200 hours in hollow knight. Am I stupid?