Bartholomew Bertrand, prefers to be called "Bert" by his friends.
Bert is an accomplished hunter who patrols Kellwood but has suggested there is another place he hunts monsters.
Prevented Victor from committing suicide after being scratched by a werewolf.
In ReVamped, it was revealed that he hunts with Victor's grandfather John Marlowe and a young Blaine.
In Here There Be Monsters, he criticizes the direction Blaine's hunting operations are going in due to his dislike of the Biker gang hunters.