You have a great idea for a character name! The problem is someone else has found out. And that someone else had the idea first. And they used it... a long, long time ago. Like, before you were born. The character may not even be that well-known (or known at all) today. Too bad -- you missed your chance. Better change the name before airtime, or you'll find yourself knee deep in the paperwork of a trademark infringement lawsuit. The same reasoning behind many a Stealth Pun. Examples of Writing Around Trademarks include: