The officers of the City shall be a Mayor, two councilmen from each ward, City Collector and Treasurer, City Clerk, Chief of Police and City Manager.  The Mayor, members of Council, City Collector and Treasurer, City Clerk and Chief of Police, of said City shall be elected by the voters of said City as hereafter provided.  The other officers shall be appointed by the Council; provided, further, that the Chief of Police or other elective officer may designate and nominate such assistants as are herein provided for, who shall be appointed by said Council unless good cause be shown for the rejection of such nomination or nominations.  (6-19-81)