John Cavil, a fictional character from the re-imagined Battlestar Galactica television series
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Kwame Cavil (born 1979), Canadian Football League wide receiver
"I got into Gettysburg the night of July sixth – where the need was so great that there was no further cavil about age,” she wrote in her journal.
Two versions of Cavil appear at the end of the second season – in the two-part episode "Lay Down Your Burdens."