Companion (Doctor Who) "Face the Raven", but in a subsequent episode ("Hell Bent") her time stream is frozen at the moment of death by the Time Lords so that they can interrogate her about the Hybrid; the Doctor takes advantage of this to save her life, but she remains technically neither alive nor dead, does not age or have a pulse. After her departure as a companion of the Twelfth Doctor, she teams with the immortal Ashildr and travels in a stolen TARDIS. Other companions died in alternate timelines or alternate lives. "Brigade Leader" Alistair Lethbridge-Stewart, "Section Leader" Liz Shaw, and "Platoon Leader"
Crystal the Monkey Crystal. He named her Crystal, a namesake to a country music singer Crystal Gayle. "New York" magazine's Benjamin Wallace wrote, "It was like she was born to perform." Gunderson and Crystal worked together for eight years at the Animal Actors stage show. Because the show was marked by pyrotechnics and noisy, cheering audiences, Gunderson said it was "a boot camp" and "a great way for a monkey to grow up and become habituated for this kind of environment". Unlike the majority of monkeys who were bothered by high volume music and children, Crystal was remarkably mature. Rather than destroy a