80s Vintage Sims Kevin Staab Mad Scientist Skateboard? Pirate Grosso Hawk Alva 80s Vintage Sims Kevin Staab Mad Scientist Skateboard? Pirate Grosso Hawk AlvaReal deal mad scientist in grey stain. You likely won’t see another deck like this for sale anywhere. The graphic is amazing for being 40 years old. I love this deck and I have not seen another like it this nice.