Patrick Kerrigan

Patrick Kerrigan was the father of Sarah Kerrigan. He and his wife raised her on TarKossia.

At a young age, Sarah Kerrigan's psychic powers manifested; she accidentally unleashed an attack which killed her mother and crippled the brain of her father. Patrick Kerrigan could say nothing but "I saw her head come apart".

Legacies
Kerrigan was taken into the Ghost Program, where she continued to disobey and defy her trainer, Lieutenant Rumm, who wanted her to use her psychic attack as a weapon. Rumm theorized she refused because of what happened to her parents.

Rumm tried to force Sarah Kerrigan to use the power by bringing her father into another room and threatening to inject him with cancer. However, Sarah Kerrigan still refused, threatening to use the power to kill herself and her father instead. For her defiance, she was given a neuro-adjuster