I suppose the joke is that lawyers are blood-thirsty sharks, which is very cliche. The checked suit on the lawyer bothered me also. This shows up a lot in Close to Home and doesn't add anything to the strip.
Runners-up: Blondie, Family Circus, Garfield, Mother Goose and Grimm, On the Fastrack
I have thoroughly enjoyed the escape storyline in Piranha Club so far. It's not at all sophisticated, as it depends largely on slap stick and scatology. It's funny though.
Runners-up: Beetle Bailey, Brewster Rockit: Space Guy!, Dilbert, For Better or For Worse, Get Fuzzy, Pearls Before Swine