Robert Downey Jr.: Exton Elias
Robert Downey Jr. and his wife Susan Downey welcomed their first son together in February of 2012. "Iron Man" didn't waste any time joining the wacky celebrity baby names club, calling the 7 pound, 5 ounce baby boy Exton Elias Downey. —XFINITY Entertainment Staff (AP Photo/Virginia Farneti, Lapresse)
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