So, people know about Poppy's eyes being simple to make, but I've been saying to myself, "Why not make the eyes normal?" Here's our reasons for it.

Poppy's reason: I was assuming that it's because it makes me seem like the innocent and friendly type-

My reason: It's related to her backstory in a way, it was supposed to be a defect or a slight mutation of her cells in the eyes, causing the anime-like eyes to be a thing.