Goop's NSFW ref is here:
http://www.furaffinity.net/view/20155108/

Meet my new boy Cato! He also goes by Goop!
No one quite knows what Goop is, not even Goop.
But he sure is cute.

Cato likes bright colors, foods with sticky or gummy textures, and sweet things.
There's not much Cato doesn't like. Crunchy food is at the top of his list though for sure.

He usually wears tank tops and short shorts in obnoxiously bright colors.

_{please draw cato
nsfw and sfw stuff a-okay
just make sure you show me (':}