Sylvia Tilly (mirror)

"I'm nothing like her, Michael. She's terrifying, she's... she's like a twisted version of everything I've ever aspired to be. I'm gonna have nightmares about myself now."

- Sylvia Tilly to Michael Burnham, 2256

In the Mirror universe, Sylvia Tilly was a female Terran officer in the Terran Empire's Imperial Starfleet who commanded of the in the 2250s.