Gary Coleman in middle.
Gary Coleman gave the TV world one of the greatest and most widely-known catchphrases ever, and became synonymous with "What'choo talkin' 'bout Willis?" on 'Diff'rent Strokes'. African-American child star Gary Coleman grew up in Zion, IL, died at 42. Coleman had been hospitalized in Provo, Utah since May 26, after suffering what his family called "a serious medical problem."
Feed your nostalgia with a look back at some of Coleman's best moments on 'Diff'rent Strokes,' including 'the special episode with First Lady Nancy Reagan':
Famous spanking episode:
First Lady Nancy Reagan visits Arnold:
Todd Bridges on the origin of the famous catchphrase: