Wow. This is a tough one. I would certainly rule out #1 and #3.
#1. Sunil just doesn't seem to have a relationship with cats like many of us. I doubt either of my two overly friendly cats, both of whom figure that everyone they meet should be their best friend for life, could ever convince Sunil that they represent a friendly society loved by many.
#3 looks vicious and mean. That certainly ain't Sunil! He is a very kind, compassionate, generous, and friendly dude.
I'll think about it. It may take a while for us to find an appropriate avatar that describes the very complex Sunil personality.