Moon joined the Army from Gardena, California in August 1942, and served as a private in Company G, 34th Infantry Regiment, 24th Infantry Division.

At age twelve, Moon joined his local Sea Cadet Corps band as a bugle player but traded his position to be a drummer.

A commonly heard, though disputed, story of how Moon joined The Who is that he turned up to a gig shortly after Sandom's departure, where a session drummer was used.

Early in The Who's career, Moon got to know The Beatles, and would join them at clubs, forming a particularly close friendship with Ringo Starr.

Moon joined 63 other players in the 2010 National Heads-Up Poker Championship at the Caesars Palace in Las Vegas.

In 1995 Moon joined the 2Day FM Morning Crew breakfast radio show, co-hosting alongside Wendy Harmer.

In 2010, Moon joined the cast of Neighbours on a recurring basis as theatre producer Terry Kearney.

And, in case the Moon and Jupiter join Mercury and Mars in the 10th or in Pisces sign, then Moksha becomes assured.

On July 24, the Heat declined to match the offer, and Moon officially joined the Cavaliers.

In 1967 Moon joined the natural sciences faculty of Shimer College in nearby Mount Carroll, Illinois.