William Charles Mitchell Sr., of Random Lake, WI, passed away at his residence on April 21st, 2018, surrounded by his family. He was 72 years old. Bill was born January 8, 1946 in Milwaukee, WI to the late Donald and Mildred (Wilke) Mitchell. He attended Milwaukee Area Schools, received his GED in 1976, an associate degree in electronics in 1983 from Lakeshore Technical College, and obtained numerous EMT and Firefighting certifications. Bill was united in marriage with Carol Sorgent on January 18, 1966 in Iron Mountain, MI. He enlisted in the Air Force in 1965 where he worked as a jet engine mechanic. His duties took him and his family all over the world, including Montana, California, Michigan, Illinois, Okinawa, and England. Bill worked at HGI in Belgium, WI, owned and operated the famous Video-City in Random Lake, Home Depot in Grafton, WI, and volunteered for the Random Lake Fire Department as a Lieutenant and EMT intermediate level, along with various other duties for 28 years. He was also a member of the American Legion, Post 0145 in Random Lake. After retirement, he enjoyed studying hypnosis. He was a certified hypnotherapist and owned and operated Guided Imagery in Random Lake. He was also an ordained minister. Bill liked camping with family, working around the house, and reading. Bill also enjoyed riding his Harley Davidson. Bill and Carol rode their Harley over much of Wisconsin and on Sundays, you would usually find them out on the bike. They attended many rallies, Sturgis, and traveled around South Dakota. Bill is survived by his children: Bill (Kim) Mitchell of Manitowoc, Vicky (Chad) Mayer of Adell, and Charlie Mitchell of Fredonia; his grandchildren: Jacob, McKenzie, and Jack Mitchell, Logan and Mason Jonas, Kaila and Jamie Bloemers, Nathan, Abby, and Josie Mitchell. He is also survived by his sister Shirley (Doyle) Nelson of Las Vegas, NV and their children Wendy, Ashley, and Sean and his special k9 friends Bear and Angel. Bill is proceeded in death by his wife, and grandson Tyler. A joint celebration of life for Bill and Carol will be on May 5, 2018 at the Random Lake Firehouse in Random Lake, WI . Visitation will be from 1:00 pm to 3:00 pm. Services at 3:00 p.m. light lunch to follow.