Olivia Channing is a character in The Enemy series, and is Paul Channing's younger sister. She makes her only appearance in The Fear and was killed by The Collector, setting off a chain of events involving her brother.
She was a small girl, about ten years old, she goes with DogNut across London to find her older brother. She is quite incapable of looking after herself, is very whiny and slows the group down a fair bit.
During the first encounter with The Collector, she becomes trapped. She hides from The Collector by the window. She faints from being scared and falls to her death. It is discovered that The Collector found her body afterwards and he partially ate it. Her body is then later found by Marco and Felix when they come back for her.