Shayla Brennan was Shakila Brennan's sister.
Shayla lived in New York City while Shakila lived in Culeston, and the two communicated frequently. A few days after Shakila's birthday, Shakila contacted her, and Shayla spoke to her about the destruction of the Statue of Liberty and Times Square. (Disruptive Selection)
- The events Shayla refers to are chronicled in Zero Hour.
- Comments by Shayla reveal that Shakila's parents are alive and well as of September 2009, and that neither sibling lives with them.