* The Incredible Hulk: This is the most famous nickname Lou has earned, stemming from his role in the 1970s TV series "The Incredible Hulk."
* Lou: This is the most common shortened version of his name, often used by friends, family, and fans.
* The Hulkster: This nickname was used occasionally during his time as the Incredible Hulk, though it was more common for Hulk Hogan, the wrestler.
* Lou Ferrigno Jr.: This name is used to distinguish him from his son, Lou Ferrigno Jr., who is also an actor and bodybuilder.
It's worth noting that while Lou is generally referred to by his full name or the nickname "The Incredible Hulk," other nicknames are less common and are not widely used.