In "A Christmas Carol", what is the name of Bob Cratchit's sickly young son?

Which Mexican painter wore a thorn necklace in a 1940 self-portrait that also features a hummingbird? Christina Aguilera, Lil' Kim, Mya and Pink topped the charts in 2001 with which song, a 1975 hit for LaBelle? Christine Armstrong, Luther Van Dam and Hayden Fox were characters on which TV sitcom? Christine Todd Whitman was elected governor of which state in 1993? Christmas Island in the Pacific got its name when which British explorer found it on Christmas Eve 1777? Christmas Seals were first sold in the U.S. in 1907 to raise funds to fight which disease? Which Hungarian inventor, famous for his cube puzzle, released a folding puzzle called "Magic" in 1986? Christopher Cross hit No. 1 in 1981 with the theme song from which Dudley Moore film?