Alan Thicke died on Tuesday (Dec. 13) at the age of 69, reportedly from a heart attack.

While Thicke was best known as a sitcom actor, he was also a successful theme song composer. And in some cases, such as the Diff'rent Strokes theme song "It Takes Diff'rent Strokes," Thicke was even a featured singer.

On occasion, Thicke collaborated with his then-wife singer and Days of Our Lives star Gloria Loring -- mother of Robin Thicke -- on these projects, with her singing singing on the Diff'rent Strokes spin-off The Facts of Life theme song.

As we remember Thicke's legacy, here are 10 of his most memorable compositions:

Diff'rent Strokes:



The Facts of Life:



The Wizard of Odds:



The Joker's Wild:



Celebrity Sweepstakes:



The Diamond Head Game:



Animal Crackups:



Blank Check:



Whew!:



Wheel of Fortune:

