It’s difficult to definitively name the top 5 copywriters in the world, as copywriting is a highly subjective field and people may have different opinions on who the best copywriters are. However, here are a few notable copywriters and some of their notable achievements:

1. David Ogilvy: Often referred to as the “father of advertising,” David Ogilvy was a pioneer in the field of copywriting and marketing. He founded Ogilvy & Mather, one of the largest and most successful advertising agencies in the world. Some of his most notable campaigns include those for Hathaway shirts, Rolls-Royce, and Schweppes tonic water.

2. Gary Halbert: Gary Halbert was a highly successful direct-response copywriter who was known for his ability to craft persuasive sales letters and ads. He was one of the first copywriters to use online marketing to sell products and services, and his work has influenced many other successful copywriters.
3. Joe Sugarman: Joe Sugarman is a successful entrepreneur, author, and copywriter known for his innovative marketing strategies and his ability to write compelling copy. He is the founder of JS&A Group, a direct-response marketing company, and is the author of several books on marketing and copywriting.

4. Dan Kennedy: Dan Kennedy is a well-known copywriter, marketing consultant, and author who has written copy for many successful companies and campaigns. He is the author of several books on marketing and copywriting, and his work has been featured in numerous publications.

5. Claude Hopkins: Claude Hopkins was a pioneer in the field of advertising and is credited with developing many of the principles that are still used in modern advertising and marketing. He was a successful copywriter and is the author of “Scientific Advertising,” a classic book on the principles of effective advertising.

There are many other highly talented and successful copywriters in the world, and this list is just a small sampling of some of the most notable names in the field.