I'm really partial to the Crocodile and the Ghost by Maserin. The quarter inch bit driver also allows for use of a bit, while the jaws of the croc serve as a wrench.
I've wanted a beerrambit for a while, thought I'd see if we could get them on MassDrop. While searching for a second option, I found that interesting smaller tool on etsy. Also very nice looking. I'm still leaning towards the BeerRambit though. Lake County Knife and Tool has some great products.