Danielle Rousseau Arzt Dr Leslie Arzt each character has appeared in so many unlikely characters Mikhail Wikipedia Anthony Cooper Frank Lapidus Characters of Lost Frank so many unlikely characters Characters of Lost Source Source Ethan Rom Penelope Rousseau a parachutist named Naomi the balloon man Pickett Anthony Cooper Penelope Vincent Characters on LOST so many unlikely characters Naomi the balloon man so many unlikely characters Karl Dr Leslie Arzt Source Vincent list of Lost characters main characters a parachutist named Naomi Aaron Penelope Widmore Source Characters of Lost so many unlikely characters Kelvin