1959
The Oakland Raiders. The Miami Dolphins used to but a new dolphin logo without the helmet was introduced in 2013.
It is believed that the "Pirate" depicted on the Raiders' logo is actor Randolph Scott. I do not know why he was chosen. After comparison, the pirate looks like the actor Scott.
A team's name, uniform, and logo are registered trademarks of the team itself. The NFL, obviously, must give their approval to the logo. In the case of the Houston Texans, the most recent expansion team, the NFL actively participated with owner Robert McNair in the design and creation of their logo.
Gene Upshaw, 15 year member of the Oakland Raiders, Hall Of famer died August 2008
The Raiders are a professional football team based out of Oakland, California. Their logo is black, gray, and white. A man with an eye patch covering his right eye is wearing a helmet with swords protruding from each side. For pictures of the actual logo, one may look at the official NFL website.
Randolph Scott
The Versace logo is the face of a Greek gorgon "Medusa".
You click on your logo box next to your face
andrey the giant
The Steelers logo is based on the Steelmark logo belonging to the American Iron and Steel Institute (AISI).
A type-based logo has only text in it. Xerox or Yamaha is an example. A mark based logo has a symbol associated with it. Nike and McDonalds are examples.