I'm not pc, but Redskins is pretty egregious,.. I'm with you on the redtails,.. and raptors but there's this,.. probably just need to buy him off tho Washington Redskins are no more. But a trademark hobbyist snatched up the good names https://news.yahoo.com/washington-redskins-no-more-trademark-163148915.html
How about names that offend people who deserve to be offended? The Washington Gestapo. How about the Dallas Klansmen?