Killer is a “racunk” that Jimmy’s father brought home from work. It is a creature created by splicing together a raccoon and a skunk, to achieve a desirable combination of docility and cleanliness. Jimmy quickly begins to think of Killer as his best friend and greatest comfort, and talks to Killer about his life when he feels he can talk to no one else. It is therefore especially upsetting to Jimmy that his mother takes Killer with her when she disappears.
The timeline below shows where the character Killer appears in Oryx and Crake. The colored dots and icons indicate which themes are associated with that appearance.
...Bandit, but when his mother suggests that name he changes his mind and names it Killer. His tenth birthday is the only one he can ever remember—his birthdays were usually stressful... (full context)
...there for Jimmy, and Jimmy appreciates the attention, though he is still sad and misses Killer dearly. He occasionally receives cards, with stamps from faraway places like England and Argentina, that... (full context)