Killed by Bobby Singer

Beings killed by Bobby Singer.

Crossroad Demons

 * Female Crossroad Demon - Incinerated her human remains with a flamethrower.

Vengeful Spirit

 * Lara Coggins - Salt and burned her bones.

Leviathans

 * Chet - Killed by decapitation.

Ōkami

 * Unnamed Okami - Stuffed it into a wood chipper.

Shapeshifters

 * Olivia's Father - Killed him during a hunt.

Zombies

 * Gerald Browder - Shot multiple times with the help of Sam and Dean.

Hunters

 * Rufus Turner - Killed Rufus under the influence of a Khan Worm.

Regular Humans

 * Ed Singer - Shot in the head with a rifle.
 * Karen Singer - Mortally wounded Karen while she was possessed by a demon; killed her again after she was resurrected as a zombie.

Other

 * Several infected humans - Killed during the raid on Niveus Pharmaceuticals.