You're a killer, Dean Winchester, and so am I. And if we go too long without something to track or trap or punch or gut, well, things get a bit ugly. Don't they? The Men of Letters keep me busy. They point me in a direction and bang. Off to the races. It's not a bad life.
— Arthur Ketch to Dean Winchester
in The Raid
Beings killed by Arthur Ketch.

Angels

Regular Angels

Demons

Regular Demons

Monsters

  • Countless unnamed monsters - Killed over the course of his career as an assassin for the British Men of Letters.

Vampires

Humans

Hunters

British Men of Letters

Psychics

Witches/Magic Practitioners

  • Three unnamed witches - Tortured and their throats slit in his search for Rowena MacLeod.

Regular Humans

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