Randy Irwin Chase, 69, passed away on September 14, 2021.  Randy was born on June 1, 1952 to Eva and Rodney Chase in Portage, WI. Randy was a long-time resident of Watertown and known by many as 'CooCoo'. He was preceded in death by his mom, dad, step-dad and brother Ron.  He is survived by his siblings Robert, Rick (Tracy), Rodney (Debbie), Rhonda (Kevin) Barker and nieces and nephews. A private ceremony will be held at a later date. Thank you to the Palliative Care Unit at UW Hospital for their loving care.  Service Details. Service A private ceremony will be held at a later date.