Alastair

Name	Alastair
Actor	Mark Ralston
Dates
Location	no fixed address
Occupation	Demon
Episode(s)	4.09 I Know What You Did Last Summer 4.10 Heaven And Hell

• Alastair is a white-eyed demon
• He is immune to Sam's powers.
• He appears to be immune or resistant to Ruby's Knife
• Dean encountered Alastair in Hell

4.09 I Know What You Did Last Summer

Alastair is pursuing Anna Milton and attacks Sam and Dean, while Ruby takes Anna to safety. He appears to be unaffected by Sam's powers and is able to mercilessly beat the brothers, while also appearing to be able to withstand being stabbed in the heart with Ruby's Knife. Sam and Dean escape him, although they suspect he let them go in case they could lead him to Anna.

4.10 Heaven And Hell

Alastair appears again to Ruby at a crossroads where she tries to make a deal with him, giving him Anna Milton in exchange for allowing her and the Winchesters to go free. He then makes her a counter offer and captures and tortures her with her knife. He later has a showdown with Castiel and Uriel in which he seems to almost nearly kill Castiel. Anna then reaquires her Grace from Uriel, she and Alastair then both disappear in a flash of bright light.

Alistair in Lore

The character Alastair may be a reference to the demon Alastor in Christian demonology. Alastor is the chief executioner and torturer for the monarch of Hell. He is an exceptionally cruel demon. The name 'Alastor' became a common place term in reference to evil spirits or foul tempered individuals. He is also featured and mentioned throughout Greek literature and mythology. Alastair has Greek origins, meaning "protector of men". Alastair is the anglicized form of the Scottish Alasdair, which is the Scottish (Gaelic) version of Alexander.

Links

• Interview with Mark Ralston who plays Alastair