I'll echo ER's words, go for the timeless steadfast brands. Coke is a no brainer, but the double entendre might be lost in a few years. Dockers could go the way of chinos and serve only to date your masterpiece, but Levies are forever. Common usage of brand names may change rapidly too. The original Automated teller machine was called a Barney machine some 20 years ago, now Barney is an annoying purple dinosaur and bank teller machines are ATMs. The world changes and real, relevant, and descriptive brands can sometimes fade away.
The opinionated Lews