There is hereby created and established a Planning Commission, which shall consist of five (5) members as hereinafter provided. The Mayor shall serve as a member of the Planning Commission; one (1) other member of the Council, to be elected by a majority vote of the members of Council for the remainder of his term as a member of the Council, shall be a member of the Planning Commission; and the Commission shall include three (3) citizens of the Municipality to be appointed by a majority vote of the members of the Council for terms of six (6) years each, except that the term of one (1) of the citizen members of the first commission appointed under this Charter shall be for six (6) years, one (1) for four (4) years and one (1) for two (2) years, and thereafter each citizen member shall be appointed for a term of six (6) years, and shall continue in office until his successor is appointed.