Beowulf

"'Living with Maelstrom was something that would drive most humans to the brink of insanity, and probably also had a similar effect on other mammals.'""-- Beowulf would be a much nicer pup if he didn't have to deal with his abusive owner (Book 1, The Good, the Bad and the Mediochre)."Beowulf is Maelstrom's ferocious pet hound. He appears in The Good, the Bad and the Mediochre.

Traits
Beowulf is a wolf-like hunting hound, and is violent and aggressive towards everyone apart from his owner, Maelstrom, of whom he is visibly afraid. Living with Maelstrom is stated to have caused Beowulf to become mentally unhinged.

The Good, the Bad and the Mediochre
Beowulf is with Maelstrom in the Cairngorms when Mediochre and company stumble upon them in the forest. He is clearly being mistreated by his owner. When Beowulf detects the presence of Joseph and attempts to go after him, Joseph hides in a tree and Maelstorm strikes the dog, possibly without even bothering to look at what Beowulf trying to show him.

Maelstrom then takes Beowulf into Deep Ocean's cave in order to sniff her out, but since the entire cave smells of dragon, Beowulf struggles to be of much use. He does pick up the scent Charlotte nearby and attempts to alert Maelstrom, for which he is kicked and sent the other way, to scout out the part of the cave that Maelstrom isn't directly searching himself. While searching the cave on his own, he comes across Joseph again and recognises him as the human he earlier chased up a tree, and attacks him. Finding himself unable to bite through Joseph's protective coat, Beowulf switches tactics and goes for the face. Joseph pistol-whips him in the head to knock him away, and Dhampinella steps between them, causing Beowulf, who finds her creepy, to shrink back and eventually lose his footing on the rocky slope outside the entrance to the cave. He tumbles down, lands in front of the advancing Sapphire Smuggling Syndicate that are arrayed outside, and attacks them on general principles. He is eventually shot dead by Mr Antler.

Trivia

 * Beowulf's name comes from the barbarian protagonist of the Old English epic poem Beowulf. It is a fitting parallel to his owner, Maelstrom, who shares some resemblance to Robert E. Howard's Conan the Barbarian.

Fan Theories

 * Given Beowulf is described as wolf-like and a hunting hound, he might be some kind of wolfhound, perhaps and Irish Wolfhound since the books are set in Scotland.