Complex sentence: Ring names are often trademarked by the promotion that creates a character or gimmick for a performer and it is not uncommon to see one performer use a variety of ring names throughout his career, even if his overall persona or gimmick remains similar.
Split into simpler sentences: Ring names are often trademarked by the promotion that creates a character or gimmick for a performer. It is not uncommon to see one performer use a variety of ring names throughout his career, even if his overall persona or gimmick remains similar.