David Lander, who played Squiggy on ‘Laverne & Shirley,’ dies at 73 - The Washington Post
The Washington Post
He and Michael McKean, who played Lenny on the ABC sitcom, developed their characters as college students.
https://www.washingtonpost.com/local/obituaries/david-lander-died/2020/12/06/41b4f6b6-3774-11eb-a997-1f4c53d2a747_story.html