The tagline is probably more important than the logo.  A perfect example of that is the “Be courteous to criminals and let them finish their sentences” tagline.   Here are a few others…

WebMD.  Convince yourself that you have a terminal illness.
Wickipedia.  You’re welcome, college students.
Elmer’s Glue.  Put it on your hands until it dries, then peel it off.    
Farmer John’s Gourmet Sausage.  We’re proud of our little wieners.
ChapStick.  You’ll lose it before the tube is empty.
Bic Lighter.  It’s probably not yours.
Nyquil.  Slip into a nice coma for a few hours.
Cheerios. Cardboard rings.
Electrolux.  Nothing sucks like an Electrolux.
Crest 3D White Strips.  Teeth so white, they can’t dance.
Taco Bell.  Nobody washes their hands here.
McDonalds.  Because you only have four dollars.
Campbells Soup.  Mmm, mmm, salt.
Visine.  We all know why your eyes are red.
Dannon Activia.   Helps you poop.
Resolve.  Carpet cleaner in a bottle that can’t spray down.
Fruit Stripe Gum.  Tastes great for 8 seconds.
Lexmark.  Our ink is more expensive than our printers.
Fruit Loops.  They’re all the same flavor.
Motel 6.  We’ll leave the light on for ya because you’re in a bad neighborhood.
Bounty Paper Towels, or Viagra.  The quicker picker upper.
Starbucks: Long lines, high prices and the best legal high available.
China House Restaurant.  All you can eat buffet not mean you eat all day.  You no come stay 4 hour.  You eat.  You go home.