R.I.P. Billy Joe Royal

American singer Billy Joe Royal -- best known for such songs as "Cherry Hill Park" and "Down in the Boondocks" -- ended his last tune on October 6, 2015, at age 73.

He will be missed.

R.I.P. Frankie Ford

American singer Frankie Ford -- best known for his 1959 hit "Sea Cruise" -- pulled into dock for the last time on September 28, 2015, at age 76.

He will be missed.

R.I.P. Martin Milner

American actor Martin Milner -- best known for his roles on such TV shows as Route 66 and Adam-12 -- got out of the car for the last time on September 6, 2015, at age 83.

He will be missed.

R.I.P. Warren Murphy

American writer Warren Murphy -- best known for co-creating The Destroyer series with the late Richard Ben Sapir -- put away his typewriter for the last time on September 4, 2015, at age 81.

He will be missed.