The following things should be for good brand name;

• be protected (or at least protective) under Trademark law.
• be easy to remember.
• be easy to pronounce.
• be easy to recognize.
• be easy to translate into all languages in the markets where the brand will be used.
• attract attention.
• suggest product benefits or suggest usage (note the trade off with strong trademark protection.)
• suggest the company or product image.
• distinguish the product's positioning relative to the competition.
• be attractive.
• stand out among a group of other brands.