Some I have seen (and remember) are
Knobs and Knockers - door stuff shop in Ireland.
Beaver Liquor - alcohol
distributor in Queenstown NZ
Actually ther is a whole town called beaver in the USA, every store had shirts and stickers saying "I Love Beaver".
Pussy Nook - cattery
First Shop in the World - at Greenwich, (it is the 0 degrees longitude place) and the shop which is closest to the observatory has 00.00.001 degrees or something on it.
An electrician whose slogan was "Let us remove your Shorts"
FuKu - Japanese restaurant in Sydney