I did think that he was pretty creepy, not quite as bad as The Gentlemen, but definitely one of the more creepy looking demons to have graced the Buffyverse.
I don't know about braver than you, but I think as a mum of 4 I've seen scarier things coming out of either ends of my kids as babies! 'lol' Believe me, kids with vomiting and diarrhoea at the same time are way more scary than a Queller demon...hehehe. 😀😀