Drawn with 2H and 4B graphite pencils and edited in photoshop. I also used a kneaded eraser on this one.
It is another monster concept! Wyverns are usually depicted as two legged, winged dragons with a barbed tail, but I thought I'd make it more snake-like, give it two sets of wings and a giant eyeball. I don't know either. But it looks crazed, just like me.