Laverne & Shirley star David Lander has sadly passed away at the age of 73. The actor, who was beloved for his role as Andrew “Squiggy” Squiggman on the classic Garry Marshall sitcom, died due to multiple sclerosis complications, PEOPLE confirmed. The renowned funnyman lost his decades-long battle with the illness on December 4 at Cedars-Sinai Medical Center in Los Angeles. Here’s 5 things to know about him.