Darrell was born on April 8, 1945 in Ipswich, England to Agnes and Herbert Mittendorf, and the family came to the US when Darrell was about 4 years old. Since his father served in the Air Force, he lived in many places throughout the US, England and Germany.
Attending Junior high in New Mexico, he played Little League baseball and then in Arkansas he set High School records in Track and Field. After High School, Darrell joined the U.S. Marines and served two tours in Vietnam, receiving a Purple Heart, followed by an honorable discharge.
Soon after, he moved to Everett where he found a career as a Clocksmith working for both Ansonia and House of Clocks.
Darrell was a man who loved the outdoors. Hiking, biking and riding his Harley are where he found enjoyment.
His parents and brother Norman preceded him in death.
Darrell is survived by his brother Michael, his only son, Tyler Mittendorf (with Karen) and his granddaughter, Baylee Mittendorf.