I have a pink spotted watchman, he is quite the character. They are also known to pair up with pistol shrimp although mine has not yet. :-(
My goby willa ctually come to my turkey baster at feeding time and take food from it before I squeeze it out. lol Most of the time he just chills out in the front of the tank on a rock or the sand bed. Mine does not sift sand though, not a single grain. I've heard they are great sand sifters but not mine.
Blennies are so plentiful in choice it's more what you like than what we recommend. They are reef safe and non aggressive usually. Ihave a lwanmower and it's awesome how he just wills it and look at me like "Whatcha lookin at here" ? Plus he eats algae which is a plus. My fave blenny is the midas, bright yellow with bright blue eyes. I am on the hunt for one for my 125g.
Have you looked at liveaquaria.com and aquacon.com? Aquacon has some really different ones you don't see everyday but their customer service is a bit lacking, but it can give you ideas. You can also check out the clowns there too, they have a TON!
