1. Mirror Christopher Pike
Anson Mount's Pike is the emotional cornerstone of Strange New Worlds because he already lives with a kind of “alternate timeline” in his head, the vision of his own tragic future. A Mirror Universe version of Christopher Pike could weaponize that same clarity about fate, but instead of inspiring empathy, it would make him the most dangerous man in the Empire.
Imagine a Captain Pike who believes his destiny is to seize and hold power at any cost, using his keen understanding of people not to lift them up but to keep them in line.
That contrast, between the nurturing captain we know and a Mirror Pike who sees mercy as weakness, would make every shared scene with Prime Pike or his crew feel like a confrontation with the ghost of “what you could have been” if the universe had nudged him a few degrees to the wrong side.