Updated

Celebrities on Monday reacted to the death of "Odd Couple" star Jack Klugman, who died Monday at age 90. Here are samples of sentiments expressed on Twitter:
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  "R.I.P. Jack Klugman, Oscar, Quincy a man whose career spanned almost 50 years. I first saw him on the Twilight Zone. Cool guy wonderful actor." -- Whoopi Goldberg.
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  "You made my whole family laugh together." -- Actor-director Jon Favreau, of "Swingers," `'Iron Man" and other films.
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  "I worked with Jack Klugman several years ago. He was a wonderful man and supremely talented actor. He will be missed" -- Actor Max Greenfield, of the "New Girl" on Fox.
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  "So sorry to hear that Jack Klugman passed away. I learned a lot, watching him on television" -- Dan Schneider, creator of Nickelodeon TV shows "iCarly," `'Drake and Josh" `'Good Burger," `'Drake & Josh."