Pasko was an Orion who lived in the 23rd century.
A refugee from a Gorn breeding planet, in 2259 Pasko was rescued from a class M planet by the USS Peregrine, alongside Oriana and "Buckley". Knowing that he had been infected by Gorn eggs, Pasko later detonated a plasma grenade whilst he was in main engineering in a suicidal attempt to destroy them. However, he did not succeed and the Gorn hatched. (SNW: "All Those Who Wander")