Thanks both.
It does look quite high sat./contrast for the bg though
My intent is to move him back to the bg colours you used in your first edit. Such colours, however, are a nightmare to use for edition on the DS, so I use an intermediate -- fg-like -- palette while it is in progress.
I think the addition of pupils lends quite a severe look
I agree. That was not necessarily thought ahead, but it's a good thing to have an intimidating look for something that represents teaching in the "old school" zone. I'm trying that the pupils look to the bottom, as if that glance was focused on Bilou, and not on the player. He should not be really "malevolent", though.
@Jim16: thanks for your edit. I like the volume you brought to the eyes. The shapes you used are a bit too extreme for the desired look of the owl, but I'll definitely come back to that edit when I'll come to the mayan labyrinth zone. If time allows, I'd love to try an edit of the wings along those lines.