'Rocky and Bullwinkle' Creator Alexander Anderson Jr. DiesAlexander Anderson Jr., creator of the classic cartoon 'Rocky and Bullwinkle,' has passed away at age 90, The Washington Post reports.

Anderson, a famed cartoonist and nephew of 'Mighty Mouse' creator Paul Terry, is also responsible for the creation of iconic characters Dudley Do-Right and Crusader Rabbit.

According to Anderson's son, Terry, his father died from complications associated with Alzheimer's disease in the Carmel, California, nursing home where he had been living.