An adoptable I remade the ref for after he was purchased. He's a bull terrier monster and here's his old ref for comparison

http://orig08.deviantart.net/23e1/f/2017/032/9/2/15420925_707668592743022_5724687591556390326_n_by_kinggigabyte-daxh9vz.jpg

The background comes from here and is not made by me https://dragonartz.wordpress.com/2009/06/05/skull-wallpaper-vector/

It's really cool though.