Esper
Name: Esper
Actor: Nelson Leis
Dates: Before humanity - 2013 (killed by Crowley)
Occupation: Angel
Episode: 8.21 The Great Escapist
HISTORY:
Esper is an angel who works for Naomi, in Heaven's Intelligence department.
EPISODES:
8.21 The Great Escapist
He and Ion are sent by Naomi to find Castiel who is hiding the angel tablet. They were unable to find him previously because he had been moving to different Biggerson's Restaurants to throw them off. Under orders from Naomi they murder everyone in the Santa Fe Biggerson's to lure Castiel back. There, Naomi begins to interrogate Castiel but Crowley shows up and, with a gun filled with bullets made from a melted down angel sword, shoots Esper in the neck and kills him.