Most Likely to Die by Impalement on Carrot: Meriadoc Brandybuck
Most Likely to Die with a Lot of Stretch Marks: Rosie Cotton
Most Likely to Die and then Jump Up Again and Say "Just Kidding!": Gandalf
Most Likely to Die at the Hand/Bow/Knife of Legolas: around half the orcs in the movie
Most Likely to Die...and Keep Dying...and Keep Dying...: Boromir
Most Likely to Die and Have Enca and Elianna Mourn Nonstop: Grima